| Key to ratings for singulair: 5-Very Satisfied: this medicine cured me or helped me a great deal. 4-Satisfied: this medicine helped. 3-Somewhat Satisfied: this medicine helped somewhat. 2-Not Satisfied: this medicine did not work to my satisfaction. 1-Dissatisfied: I would not recommend taking this medicine. |
| Rating | Reason | Side Effects | Comments | Sex | Age | Time Taken | Date Added | |
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| 1 | ADULT ASTHMA | Beware- I am basically a level headed person- I gradually drifted into a deep depression and crying spells after 2 weeks. Takes several days to realize it is this drug that is this causing this. Takes another several days to detox it from your system. | This is the second time I have taken Singulair and experienced the same thing. It helps so much with my lungs that I had forgotten that I had the same side effects 2 yrs. ago. The experience is so scary I feel this drug should be taken off the market. If not for this web site I would probably think I was losing my mind. | F | 58 | 19 days | 11/19/2009 | 1 | allergies | anger issues, self pitty/ depression | My 5yr old son was taking this for one month. One week into taking singulair he started saying Mom you hate me dont you and also having problems in school like getting up right in the middle of the teacher teaching class and walking around. He has recently started hitting other kids in his class. This is all VERY unlike him. He has always been the sweet kid and very lovey and always everyones friend and taking up for the less fortunate. I have just taken him off the med and am anxiously waiting for him to get back to his sweet self. DONT GIVE THIS TO YOUR CHILDREN!! | M | 05 | 1 months | 11/17/2009 | 1 | asthma | Singulair has made my family LOSE YEARS OF OUR LIVES! My 10 yr old took this med since she was 6. I would occassionally take her off of the med when her asthma was controlled. She had been off for a couple of months and she started having an asthma attack so I put her back on singulair along with her other drugs she had already been on. It was during exam preparation and she was in LA LA Land! spaced out and unable to concentrate for weeks! I knew that she had trouble focusing, remembering, concentrating for years. I finally made arrangments to have her tested for ADD.Ironically I took her off the med and it was like someone turned the light back on!! Since then we have not gone back and I have a different kid!! no more bullying, no more aches and pains, no more concentration issues just a lovable, sweet, kind, child that I once knew years ago. All I can do now is pray and hope that this drug did not do any permanant damage to her precious organs!!! The government has taken those years | DO NOT GIVE THIS DRUG TO YOUR CHILD OR ANYONE!!!!!!!! THE GOVERNMENT SHOULD BE ASHAMED OF THEMSELVES FOR APPROVING THIS!!!! | F | 10 | 4 years | 11/16/2009 | 1 | Chronic Cough | Hair Loss, Rapid Weight Gain, High Cholesterol, Muscle Tension, Rashes. | I came to this site to find out if my son's recent health issues were due to the RX he's taking. It appears they are indeed the culprit. Our 20 yr old son developed a chronic cough in April 2007. Many meds were tried to relieve the cough. Todate, no meds have given him relief. For the past 18 months he has been on Singulair. For the past 12 months he's also been on Astelin and Nasacort. In the past year his total cholesterol reached 257 (up from the previous 180's), he's gained over 30 lbs (despite dieting), has had significant hair loss, neck/jaw tension, headaches and some hives. The mfg drug side effects sheet didn't list any of these items; however, after reading previous comments I feel the meds he's currently on (particularly Singulair and Astelin may be the culprits. We plan on having our son stop these meds immediately and revisit his allergist for a consult. We are now considering acupunture and a holistic medicine to his chronic cough. The medical profession has failed him terribly. | F | 60 | 18 months | 11/14/2009 | 1 | Asthma/allergies | Bedwetting, hand numbness | Was prescribed for my 4 1/2 year old daughter for seasonal allergies when her Xyzal and Nasonex weren't doing enough for her and she started to have worsening nasal congestion, continuous post-nasal cough. She has NEVER had problems with bedwetting since she was completely pottied trained at 28 months. 2 times this week since starting Singulair she has wet the bed at night even though she was still alert enough to wake up last night one time to void. She also keeps intermittently saying "my hands feel tired" which she has never complained of in the past. I think this is probably the way a 4 year old complains of hand numbness. I haven't noticed any significant change to her breathing problems compared to last year prior to starting Singulair. She is getting better but no faster than last year when we only used the Xyzal, Nasonex, Orapred, Xopenex. Am taking her off Singulair today and will not use it again. Also, what about all of the crazy warnings: avoid people with colds and flu while taking this medication??? Is that possible right now??? | F | 04 | 5 days | 11/13/2009 | 1 | Allergy problems, sinus | I am a glass half full type of person. Within 36 hours of taking this medication I was having very depressing thoughts, by the end of the second day I felt like I was having an out of body, numbness everywhere... terrible side effects. Found this link, read other comments. Stopped about 72 hours ago and returning to normal quickly. | It did clear nasal passages but need another solution, the side effects are just too great. | M | 53 | 4 days | 11/11/2009 | 1 | coughing asthma | Prescribed by pediatrician for our 7 year old daughter. Daily intense headaches which were dismissed as not related to the medication by our doctor - although they started a month or so after going on the medication.. Went as far as getting a CT scan because of the duration, frequency and intensity of the headaches. Additional side effects of occasional fever, dizziness and irritability. We are stopping the use of this drug immediately. The published side effects are alarming - should've done more research before taking the doctors advice on this one. No doubt we will be more careful in the future. | F | 07 | 3 months | 11/10/2009 | 1 | allergies | rage, anger, no concentration, yelling, trouble at school | My 8 yo has only been on this med for less than a week but he is getting in trouble at school for not doing any work at all. He got caught putting scissors in his mouth and threatening to cut his tongue out! This is when I snapped and thought it had to something new going on. This wasn't my child. | F | 35 | 6 days | 11/10/2009 | 2 | asthma related cough | bed wetting | My 9yo son has had significant issues with bed wetting in the past but we finally had it under control. He just started singulair 5 days ago and has wet every single night - sometimes twice! This just can't be worth it. He already has frustration and behavioral issues so there's no way I want to risk adding to his problems. He's off. | F | 39 | 5 days | 11/9/2009 | 1 | asthma/allergies | Horrible Mood Swings | Although Singular did help with my 8 year old's symptoms the side effects were horrible. She already was having some issues at school with attitude problems, this drug made them much worst. She was sent home almost every day with notes from school for taking back, being disrespectful towards others, stealing, lying, cheating. We had never had this many issues in a span of a week. We stopped giving her the medication and the behaviors have also stopped. | F | 08 | 14 days | 11/8/2009 | 1 | Asthma, environmental allergies | severe depression, weight gain, irratability | this drug did not work for anything, i still got respritory colds, bad allergies, and the mental effects werent worth it, even if i cured the asthma and allergies | F | 16 | 3 months | 11/5/2009 | 1 | allergies | rage, suicidal/homicidal thoughts, mood swings, loss of concentration, hyperactivity | My 6-year old son was prescribed singulair for allergies. On the third day of taking this drug, he became an emotional wreck. He was so hyper, seemed out of control of his body - literally bouncing off the walls. Grandparents and friends even noticed the change. He became extremely frustrated because he could not concentrate on any task, game, etc. Very unlike him. THEN he started talking about wanting to kill people, and himself. I was beyond shocked and scared. At first, I didn't even think of contributing it to Singulair, until I started researching side effects. I was outraged. I took him off of it immediately and he was back to himself within 24-48 hours. A week after this experience, I received some health alert email about the psychotic reaction dangers of singulair to children. It is terrible to think of a "simple" allergy med causing such a scary and life-threatening reaction. I warn everyone I know with kids, just in case, and one of my friends' sons is experiencing similar problems. | F | 35 | 3 days | 11/5/2009 | 2 | Allergies | Insomina, aggression, moodswings, screaming & temper tantrums. | My Ped prescribed Singulair for my 2 yr old daughter, although it works wonderfully for her symptoms,after 2 months the side effects have just become too much. | F | 02 | 2 months | 11/2/2009 | 2 | Nightmares, insomnia, immediate worsening of my restless-leg syndrome, pounding heartbeat. | M | 53 | 8 days | 10/28/2009 | 2 | asthma/allergies | agressiveness, tantrums, crying, yelling out, anger, mood swings, not listening, unable to focus, 360 change in personality. | My 4 year old son took singulair on 2 occasions for about a month each time. It did seemed to help his allergies, but at the same time his personality changed drastically. At first I thought he was going through a phase. He became a different child. very difficult to deal with. I feel so guilty about getting angry at him for his behavior while on this drug. I finally made the correlation and took him off of it. After the drug got out of his system, he was back to his usual sweet self (both times). I hate the fact that I was punishing my child for his behavior when it was my fault for giving him this poison. Be careful giving this to your child and watch out for the side effects. It may work for some, but it seems like it has a bad effect on others. It is sad with the kids because they can't communicate how they feel like and adult can. What good is a medication if it makes you unable to function. | M | 04 | 2 months | 10/25/2009 | 1 | allergies | insomnia, fits of crying, seperation anxiety, irritability | I take this medication myself and it has been a miricle drug for my lifelong asthma and allergies. However I noticed side effects in myself of depression and fatigue. I have tried to give it to my son two different times as prescribed by the ENT doc. Each of the intervals I've tried it he gets the listed side effects. I just got very angry because my son will not stay asleep. It is absolutley awful and has really alerted me that my seasonal depression could be intensified by this drug. If it affects him so dramatically then it could be the reason I have been so depressed for years. I went on the computer for support. I will not be giving him singulair EVER again. I'm going to go hold my little boy now. I feel so bad that I tried to give him this drug again. Doctors are really blind as to the side effects of this drug. It is not such a miracle drug to me now. | M | 02 | 5 days | 10/25/2009 | 3 | Asthma and allergies | My almost 4 year old has had issues with ear infections and breathing since birth. He began taking Singulair about 4 or 5 months ago when our ENT suggested that he had his adnoids removed and I decided to take him back to the pediatrician to discuss it first. After reading all of the comments posted, I am beginning to wonder if all of my son's behavior that my husband and I have noted in the past few months is attributed to it or to something else. I am going to stop giving him Singulair for 2 weeks to see if his behavior changes. I hope that is long enough to get it out of his system. If anyone has any feedback, please share. | F | 29 | 6 months | 10/24/2009 | 1 | seasonal allergies | My second grade son began crying at school and started having seperation anxiety. He began crying at the bus stop in the morning and not wanting to leave us. This was very unlike him, so this site we found made us wonder. His doctor agreed to have him stop Singulair to see if that was the culprit. We are very happy to say within three days off of the Singulair, he is having no more issues with the separation anxiety and no longer crying at school. | His allergy syptoms went away, however the singulair was in conjuction with an antibiotic so unsure which cleared the heavy cough. | M | 08 | 3 weeks | 10/22/2009 | 1 | asthma | anxiety, aggresive, insomnia, loss of motivation, mood swings | F | 15 | 10 years | 10/19/2009 | 1 | Asthma | Dramatic mood changes / extreme aggression | My 8 year old son has been diagnossed with depression and is on a mood stabilizer and anti-depressant. After several painful months of trying to figure out what was going on and how to help him cope. We FINALLY got him to a place where he could control his behavior, emotions, and just be a happy kid. Then he was diagnossed with Asthma and was put on singulair... Now we are seeing extreme rage and anger in him once again. The only changes was by adding this medicine. The psychiatrist and pharmacist both said adding this medicine to the two he is already taking should not have any effects on him. If they only lived in my house?? I don't think they would feel the same way. | F | 36 | 3 weeks | 10/14/2009 | 1 | allergy induced asthma/sinusitis | intense, unexplained depression; rages. | My daughter was put on this from 4-5.5 yrs with significant behavior changes resulting in many sessions on willful children and behavior modification. We did not like our own child and were concerned about a total lack of empathy for others. We attributed her dramatic improvement to a sweet, even tempered child to entering kindergarten. In hindsight, the improvement actually began when we discontinued singulair during the summer. We put her back on singulair when she was 8 and noticed a return to the same out of control, raging behavior. She sat in her room and sobbed uncontrollably, scaring us and herself because she had no reason for feeling so incredibly sad. After 2 weeks we discontinued and noticed an immediate return to normal within 48 hours. I am so angry that every doctor we saw denied that this drug caused any side effects!! The drug was said to be "benign" and absolutely "free of emotional lability issues." This should be given with specific pre-warnings and advice for careful observation. It is a useful drug for severe, uncontrolled asthmatics, but has no place in a physicians list of approved meds for average sinusitis, allergies, or managed asthma in children of any age. Drug of last resort. The FDA and Merck are seriously hiding facts that parents on this board are seeing and reporting. Direct cause and effect. Since my observation of my own child I have shared this info with other parents locally and have personaly s | F | 10 | 2.5 years | 10/8/2009 | 1 | allergies | Irritability, hallucinations, depression | It also did not work for my daughter's allergy symptoms. I feel so bad for giving this to her. Every day her mood has gotten a little worse, and she just feels like every thing bad happens to her. She woke us up in the middle of the night screaming b/c she thought there was a man in her room. | F | 7 | 3 weeks | 10/1/2009 | 1 | allergies | This was given to my almost four year old daughter, she became very aggresive, crying over evrything, very moody, angry, clingy, loss of appitite, just completely changed her. | I looked up this med years ago when the doc wanted to give this to my daughter, I saw whet it did to other children so I told the doc no, years later she still has her allergies she has been plaged with them since about 10month old and has had five sets of tubes for her ears and her atinoids out twice. Her father took her to the ENT do to the coughing coming back and she said her ears itched again which normaly happen when a tube falls out and the ear fills with fluid again, but the doc said it looked fine but said she seemed to have allergies still causeing the cough he said to put her in Singular, after a couple of days I noticed her mood change, at first we thought it was do to number one the age and number two the divorce, but when she started crying over everything we thought she might be getting sick. I was at my neighbors and I said I bet this is the one med I did not want her on, as soon as I pulled up the site I know this is the med that makes kids wig out we threw the perscription right away, now I need to call the doc to see how long it takes to get out of her system. Please do not put your kids though this they do not understand and I feel bad for them having to go though the moodswings of this med. | F | 4 | 11 days | 9/21/2009 | 4 | Allergies Asthma | Wow. This has been an eye opener. I came to this site for another medication, but I think I've finally put this together. My 3 1/2 year old has been very aggressive. In fact, got in trouble today at sunday school for starting a fight with a child. He has also been hyper, unusually loud, and has screaming fits. However, a few weeks ago we traveled home to Chicago. We were out of our routine, and I kept forgetting to give him his daily dose of singulair. I noticed that my child was so well mannered, calm, and tried to assist his younger cousin whenever she would have an emotional meltdown. I thought, wow, he's growing up and maturing. Not so. When I returned home, we returned to our usual one dose in the morning of singulair, and he was back to his very difficult self -- constnatly wanting my attention, getting upset at the drop of a hat, difficult sleeping. I think I may have found the culprit. I'm going to keep him off for a week and see if there's a noticeable difference. | The med works for keeping his allergies and asthma at bay, but the emotional side effects are far too demanding on a child -- if not the entire household. | M | 3.5 | 4 months | 9/20/2009 | 1 | asthma symptoms for 4.5 year old | emotional, irritable, tantrums, crying over everything, angry, extreme hyperactivity | our pediatrician prescribed this for our daughter's mild asthma symptoms to be taken as needed. she was on it for 4 days and they were unbearable. it took me a while to put it together...i kept wondering what was going on. i did more screaming in those 4 days than i have done in her lifetime. she was completely out of control and angry about everything, throwing tantrums, and was completely disobedient. on the 4th day i called the dr. and asked if her behavior could be at all related to the medication and was told "absolutely not." i was not satisfied, so i searched and found 14 pages of people describing the same thing. i feel vindicated, but also very sad that i gave her this medication in the first place. it needs to be taken off the market for children. | F | 32 | 4 days | 9/19/2009 | 4 | Allergies/ asthma | My 7 year old son was able to breathe and not have to use his inhaler as much which was wonderful, but his behavior suffered. He had mood swings, very irritable and aggressive. | After going to this website and on-line I am going to discontinue singular and try another drug to help him. It there were no side effects with behavior he would still be taking it because it is the best medicine that we have found so far to help with his allergies and asthma. | M | 7 | 45 days | 9/18/2009 | 1 | Seasonal Allergies | Severe Depression and Agression | My son was on this medication for six months before I finally made the connection between the drug and his behavior change. He became very depressed, nearly suicidal, often telling us that he wished he had never been born, wanted us to kill him, and that he didn't want to live anymore. He was also very aggressive toward his younger siblings. All of these behaviors were way out of character for him--typically a very compassionate and joyful individual. Within two weeks of being off the drug we had our normal, happy, loving boy back. NEVER EVER, EVER give this drug to a child. When I related our experience to the allergist he was not surprised, has seen it before (argh!) and said that my son can't take Singulair, Zyrtec (He had similar results with Zyrtec), or Claritin. Be very cautious of drugs, parents! | M | 7 | 6 months | 9/18/2009 | 1 | Asthma | Complete personality change in a little over two week period. | DO NOT GIVE THIS DRUG TO CHILDREN. This drug came highly recommended by our allergist. He insisted we take the drug to help with modest asthma. In the period of two weeks, our good natured well behaved child turned into a nightmare: fighting, punching, overly emotional, reclusive, mood swings, anger, etc. We took him off and the problems went away. | M | 5 | 2 weeks | 9/15/2009 | 3 | asthma | The Dr. put my daughter on this medication at age 2 after my daughter had respiratory failure due to reactive lung disease. I thought that it was a godsend as her breathing much improved and she was able to participate in simple activities like running after being on it for a month or so. At about age 4 she started having headaches, sore throats, neck pain, leg pain, stomach aches and nightmares. | I have had her in the doctors office several times over the last year for these symptoms and never got any answers or indications that the singulair might be causing these symptoms. I am furious! My sweet four year old has headaches all of the time and not one of the doctors mentioned that this could be a side effect! | F | 4 | 9/13/2009 | 1 | asthma/allergies | Severe stomach aches, headaches, bloody nose, mood swings, loss of appitite | My 8 yr old son has been taking this horrible medication for approx. 4 wks and when he started complaining of the stomach ache and headaches I told him he was over reacting, I feel so guilty for not listening to him. Why don't our Dr.'s tell us about these side affects. | M | 8 | 4 weeks | 9/13/2009 | 1 | allergies/asthma | Headaches, severe stomach ache, bloody nose, agressive, emotional, mood swings | My 8 year old son has been on this for aprox. 5 weeks, and I now feel so guilty for accusing him of over acting and just wanting attention! This is horrible medication and I can't believe our Dr.'s don't give us these warnings. | M | 8 | 5 weeks | 9/13/2009 | 1 | Athsma/allergies | I was in the 4thand 5th grade when I took Singular, and at first it seemed to work great and really helped my health. Later on, though, I started having suicidal thoughts and depression, and I was really worried about myself. I would cry a lot and refuse to go to school, and I had a lot of trouble focusing. The side effect of depression and suicidal thoughts with Singular was not yet announced, and my parents couldn't figure out why I was acting this way. Dismissing it as the recent death of a family dog, I went off Singular about 4 months later because I was switching to a day and night ashtma preventative called Advair. The changes in my behavior were apparant, however, we just thought I was finally accepting the death of a pet and moving on. A couple of years later it came on the news about how Singular caused suicidal thoughts and there were already 4 people who were on Singular that had commit suicide because of it. | It works, but it's NOT worth the side affects. Now that we all know it can cause behavior problems, depression, suicidal thoughts, and aggression, there are plenty of other medications that will work without the disturbing side affects. | F | 13 | 2 years | 9/12/2009 | 5 | asthma | none | It has been a godsend for us to have my 9 yr old daughter's asthma controlled. No more middle of night trips to ER and endless oral steroids/inhalors. Fortunately no adverse reaction of any kind. It would be very unfortunate for us to have this med unavailable. | F | 9 | 4 months | 9/10/2009 | 4 | Chronic sinusitis | pins & needles in my hands and feet, anxiety | It really cleared my sinuses, and for the first time in years I can breathe in the morning. However, the side effects are not worth it, and I can't wait for my hands and feet to feel normal again. | F | 33 | 3 months | 9/8/2009 | 1 | allergy induced asthma | Took while pregnant due to worsening asthma symptoms. Made me very emotionally numb, detached, angry, impatient, full of rage and hateful! I lost my visual depth perception and developed bad neck swelling with headaches. I also noticed it made my breastfed baby colicky and sedated. | I had the WORST withdrawals from this medication including EXTREME anxiety and panic attacks! I hope to God this hasn't left me with permanent damage or hurt my baby since I took it while pregnant! | F | 36 | 1 years | 9/8/2009 | 1 | seasonal allergies | My son was on and off Singular for several years for his seasonal allergies. We finally realized that he has always been a very strong willed child, but whenever he was taking Sin gular he became very aggressive. We refused to put him on this medication again. It did help his allergies, but was not worth the side effects! When I told our pediatrician he was not aware of this side effect. He went and checked his medicine book and found that increased aggressiveness WAS a side effect. | Would not give to children | M | 7 | 2 years | 9/5/2009 | 5 | allergies | none | I have mold, tree, and grass allergies (and various food allergies not treated by Singulair). My outdoor allergies cause burning and runny nose, sneezing, sore throat, sinus infections, headaches, inability to concentrate, and light-headedness. Before taking Singulair I already had anxiety, sleep problems, and leg cramps; these things have not changed. My allergies are mostly controlled by Singulair, having mild symptoms with incidental exposure (strong mold or grass smell) or at times such as when cedar or grass pollen is very high (requiring me to also take Nasonex). I have not experienced depression or nightmares. I do not know whether I can stop taking Singulair and not have allergy symptoms; I tried cutting back to 1/2 pill this fall to wean off of it after grass season, but had to go back to the regular dose. | M | 46 | 6 months | 9/4/2009 | 1 | Asthma | excessive crying,mood swings,depression,highly emotional,trouble focusing/listening | Finally answers to all of my questions!!!!!! It's been about 5 years that my 6 yr old son has been on singulair. Ever since he's been on it I've had problems with his behavior. Sure the doctor was right about the attacks being controlled but not his behavior. It's a blessing to have found this site. My son will no longer be taking this medication! Singulair should be recalled due to all of these side effects it has caused in children and adults. | M | 6 | 5 years | 9/2/2009 | 1 | asthma | my daughter took singulair since she was 4...same time that my mother-in-law passed away...so i assumed the clinginess and fears were because of that...this has continued for almost 6 years when i finally figured out that her anxiety was caused from taking the singulair.. | i had so much trouble getting her to school..she never wanted to leave me or even go out to dinner or ride in a car with anyone including her grandparents or cousins!!!...she constantly thought something bad would happen to her...even when i was with her at home...we saw a therapist this past year and she asked if we ever truly looked into her asthma meds? so after reading these message boards...i took her off...thank god!!! she is like a normal child and even goes to friends for playdates and never ever is worried about school and i even have her riding the bus!!! thank heavens i figured this out...but it makes me sick thinking of all the arguments i had with her while on the singulair telling her to quit acting out! | F | 10 | 5 years | 8/30/2009 | 3 | Asthma | Mood Swings, Headaches, Hyperactivity, Loss of Appetite | GREAT at controlling asthma symptoms, but my sweet-as-pie 5 year old began screaming and crying at the drop of a hat, telling me she hates me (then crying about it 2 minutes later), throwing tantrums, became more hyper than usual, and complained of headaches very frequently. She also lost a lot of interest in food. I had read about the psychological side effects in a magazine, but against my better judgment, her father put her on it anyway. Needless to say, I dont give it to her when shes with me, and after reading all this info I wil be encouraging him to stop it altogether. | F | 5 | 2 months | 8/29/2009 | 5 | Asthma & allergies | I have been taking Singulair for 10 years or so and had first taken Accolate. I have not noticed any side effects but have had a huge improvement in my symptoms and can quickly tell if I have missed a dose. This drug has been a lifesaver for me. | F | 49 | 10 years | 8/28/2009 | 2 | Combat sinus allergy symptoms | Panic attacks, feelings of impending doom, manic and suicidal thoughts. Episodes last from two to five hours. | I have allergic onset asthma and have had chronic sinusitis. I didn't notice any improvement with or without the Singulair. The panic attacks are worse than the sinusitis symptoms. Will discontinue the Singulair in hopes that the panic attacks do not return. | F | 47 | 7 weeks | 8/24/2009 | 1 | child taking it for asthma | After being on singulair for about 5 days my child woke up one night in a panic and hallucinating that spiders were in the bed. She is 31/2 yrs old and never has displayed behavior like this before. It was very frightening to see her this way. I literally had to chase her around the house because she kept runnning from "these large spider". I have not given her singulair since. | If any one else had this particular problem with the hallucination in a child taking singulair, how long before the hallucinations stopped? | F | 39 | 5 days | 8/12/2009 | 3 | Allergies | At full dose, developed heartburn and burning tongue (from the heartburn). Apparently it changed my pH. | I cut the pill in half and the heartburn goes away but so does most of the benefits. When I take it full dose, I can breath deep through my nose and chest. At half does, I'm back to lung spasms and heavy breathing with exercise. Too bad about the heartburn. | F | 47 | 30 days | 8/11/2009 | 3 | Allergies | Agitation, Irritability, Hypertension, Heartburn | Singulair worked better than anything else I've tried for allergies hands down; however after about a week I noticed that I was getting very agitated and irritable all the time, my blood pressure was suddenly about 20 points higher than normal, and I was getting constant low-grade heartburn. Taking Singulair was the only thing that had changed, so I stopped taking it and within a week was completely back to normal (albeit with allergies again). | M | 32 | 14 days | 8/8/2009 | 3 | Allergies | My 11 year old son was prescribed Singulair for seasonal allergies. The medication worked very well and we were happy with it, until my son started waking with violent and disturbing night terrors. He was trembling and drenched with sweat everynight. | M | 11 | 6 weeks | 8/5/2009 | 2 | allergies and asthma | dramatic mood change= went from wonderful temperment to hair trigger trantrums, sleeping changes= nightmares and sleeping patterns, change in appetite= eat anything & everything to very picky eater | F | 1 | 45 days | 8/5/2009 | 4 | Asthma | my 5 yr daughter has been taking this meds off and on for a year her asthma is much better.But, she has bad dreams,tells me she has fear that someone is going to kill someone,I have seen a big change in my little girl she has bad mood swings and has a hard time sleeping. After reading all of these bad experiences i think we will take her off for a while and see what happens. Stay Tuned | F | 5 | 190 days | 8/4/2009 | 5 | asthma | none | Singulair works amazingly well at controlling asthma for both myself and my 9yr old daughter. We've both been on it for 3 years. It has been a godsend-all the coughing, wheezing, etc, are gone when we are on this medication, and neither of us have had any of the side effects that other people have written about. | F | 49 | 3 years | 7/24/2009 | 1 | allergies | anxiety, panic attacks, severe depression, suicidal thoughts | i started taking singular for my allergies and soon after i became very depressed, after being on the drug for several months i reached a low point where i regularly cut and mutilated myself and i had suicidal thoughts. i also began to feel anxious and have panic attacks while taking singular. after i stopped taking singular my depression subsided. | F | 18 | 7 months | 7/24/2009 | 3 | Asthma and allergies | My doctor started me on Singular because I would wake up every night about 3 am gasping for air. He prescribed this more for my asthma then my allergies. Within days, I was sleeping through the night and my allergy symptoms disappeared. It was like I never had asthma. | A few months later, I started having panic attacks in ramdom places where I was not under stress. My dreams and nightmares became more vivid and pretty distressing. I started seeing things move out of the corner of my eye when there was nothing there. My sex drive disappeared entirely. Then, I started hearing voices in my head tell me to kill myself. (At this point in my life, I had a good job, was going back to school partime, and had the most wonderful boyfriend. There was no reason for me to be unhappy) I had enough sense to realize that this behavior was unlike me and then found this site and saw that I was not crazy. I went off the pill and all of the side effects went away in 2 weeks. I took it once after having an asthma attack and had a panic attack within an hour. That was all the validation I needed. I've been off of it half a year and am back to normal except for my sex drive. I hope it comes back. Did anyone else have problems with their libido? The doctor cannot find anything wrong with me but I suspect Singulair. This is ruining my relationship. Help! | F | 28 | 1 years | 7/23/2009 | 2 | asthma | shakiness, tremor, ill feelings, hyper, heart pounding | I was prescribed this yesterday and ive only had one dose and i'm never taking it again. it clears up my breathing but the side effects are so tremndous that i can't do it again. i feel like a truck driver on 20 vivarin/red bulls or what people describe as crystal meth.. hyperness, i can feel my heart pounding out of my jugular vein as i type this. | F | 35 | 1 days | 7/19/2009 | 2 | for asthma | my son who is 6 was put on this medication. He has a mild case of asthma which usually result in hard time breathing a few times a month. We used this medication for about a month and a half and the case of his asthma increased dramatically. We took him off of it and he was having breathing problem almost daily if not every other day for a month or so. We did not want to put him back on this medicine any longer and we treated his breathing problem with nebulizer which usually took only one treatment per case. Eventually his daily breathing stopped and now he's back to where he was before. It has been close to a month that he has not had a case of breathing problem so far. | 1.5 months | 7/17/2009 | 1 | mild asthma, allergy symptoms | ok where do I start, My son started taking Singular 4 mg after second birthday. I never really thought that his behavior could be caused by singular(the wonder drug). I think back now and I have chills on my arms after reading the stories. They sound so much like my son. It has always been hard for him to make friends and he was hyper and distracted, ADD symptoms, was amazed over death and grave yards, would cry at the drop of a hat and would never followed directions. I just thought it was part of him and we all accepted it. At 6 the Dr. put him on 6 mg singular chewables. I would have never known about this if it hadn't been for me taking him to the dr for his constant itching and rashes and the Dr. suggested we see an allergist. We went to the allergist and they did all the stick tests and found his allergies and then told me to keep him on the singular 6 mg. and he prescribed zyrtec and flonase. After taking 2 days along with the singular 6 mg he was already taking he begain to ta | Please don't give your child this medication, the side effects are really scary and children are suppose to be children not little zombies. I have since gotten and really nice humidifier and I will use that instead of drugs. | M | 6 | 4 years | 7/15/2009 | 1 | asthma & seasonal allergies | Insomnia, leg cramps, restlessness, inability to focus | I will never take this medication ever again. I would also strongly discourage anyone I know from taking it. | F | 67 | 30 days | 7/14/2009 | 5 | chronic sinitis,night time coughing | none | better than claritin,bendryl.no more night time coughing,its been just 5 days taking it and i feel great. | F | 32 | 5 days | 7/13/2009 | 3 | 7/7/2009 | 1 | Allergies | I took singulair for 3 weeks. After 1 week I became very depressed and had nightmares. I also became very anxious and had mood swings. I stopped taking singulair 2 days ago but am still experiencing some of these side effects. | How much longer will I experience these side effects? | M | 18 | 3 weeks | 7/1/2009 | 1 | asthma | My 9 year old son took singulair for about four months. During this time he has been moody, agitated, depressed,and aggressive. He was getting into fights at school. He made comments of hating himself, and wanting to die. He would say he felt blah blah. He said I will just kill myself right now. It has been such a scary time for us. He was seen by the school counselor and I was getting ready to seek aditional counseling services. I was really afraid that my child was becomming mentally ill. As summer approached I took my son off of singulair. Then all of a sudden my child was back to his happy self. I then heard about the side effects of singular and realized that all of his emotional and behavior difficulties were a side effect of singulair. | 4 months | 6/29/2009 | 1 | For daughter's sensitive airway/lun | Daughter age 4 years old, was on Singulair for 3 months to prevent onset of asthma and to strenghten her lungs. She experienced nightmares and aggressive/weird behaviour throughout the period. She would wake up screaming in the night, and then walk out of the room and sat on the floor in the hallway. Some nights she would choose to sleep on the floor and nothing can persuade her to go back to the bed. In the daytime, she was hitting her granny, the nanny, her father and also hurting herself if she couldn't get her way. She would throw herself on the floor in fits of anger. | No child should be made to suffer like this. The drug should be recalled. My daughter was back to her loving self two months after we stopped the medication. I will not relive those Singulair days again. | F | 33 | 3 months | 6/25/2009 | 2 | allergic rhinitis | I started my 4 yrs old daughter on singulair 4 days ago. Since the first day she has shown extreme mood swings, leg pain and face rash. She also refuses to eat because she says all the food taste horrible. She used to be very happy and singing child but, with the medication she is shouting and crying most of the time. I stopped the medication for one day to corroborate, and she had an excellent day (singing and playing) but the runny nose returned. I gave the medication last night again and today I have an unhappy child again. No more singulair for her | F | 41 | 5 days | 6/24/2009 | 3 | asthma, chest and nasal congestion | i took my first 10mg dose after my doc. visit at 10 am this morning. got home 30 minutes later and took a nap before work and had a really vivid strange dream and remembered it clearly. i never remember my dreams, maybe a few times a year i'll remember one. and then at work all day i was dizzy and nauseated, still a little nauseous now. hoping these side effects will go away. | i'm noticing less congestion already and my wheezing isn't as bad, i could also walk longer at work without being out of breath and speak long sentences without feeling like i was out of breath, which wasn't the case for the past few weeks. | F | 25 | 1 days | 6/23/2009 | 1 | Allergies | Abdominal pain, bloating, dizziness, leg cramps, restlessness. | Side effects began to subside immediately after I stopped taking the medication. However, it has been nine days and there are still some transient side effects although they are much better. It will probably take some time, I would not encourage anyone to take this medication. | M | 49 | 30 days | 6/22/2009 | 1 | allergies | My 7 year old was prescribed this for severe allergies. He complained of headaches constantly. He was very emotional. He was always an excellent student and his teacher said he was having trouble focusing. | I would not recommend this medication for children! | M | 7 | 5 days | 6/17/2009 | 4 | Allergies to pets | Total lack of focus, very tired all the time. Knowingly feeling that I'm not myself - quiet, withdrawn, inactive, depressed about nothing. People asking if everything is all right etc. Product worked well on allergies but I just don't feel the same and its not worth it. I'd rather suffer with allergies. | M | 4 months | 6/15/2009 | 1 | mild asthma and dust mite allergies | My 10 year old son began taking Singulair 5mg almost 2 years ago for mild asthma and allergies. I was very leary of him taking any med's long term and asked repeatedly about possible side effects. I was told by 2 doc's that there really weren't any that they were aware of. I called a week after he began taking it because he was having horrible nightmares. I read the package insert and it said something about nightmares. Both doc's said they would only last a week or so. They did seem to go away and his allergies and asthma were under control so we continued to take it. After the reports of suicidal thoughts I called again and was told it was rare in children and to continue him on it. He is now 10 and is very moody, argumentative, sad and seems to be having bad dreams again. I asked if Singulair could cause these problems esp. in boys starting adolescence and was told no. After reading this site I am taking him off of it today. I had no idea so many of the things I've seen i | F | 40 | 2 years | 6/14/2009 | 1 | Poss allergies; ear infections | Night terrors | My daughter started taking Singular chewable tabs exactly 2wks ago. Shortly after that, she started having frequent night terrors, crying out in her sleep, vivid dreams. I just put the two together last night and found this information today. She was taking it on a 30-day trial to avoid tubes but she will not be taking it any longer. Today is Sunday so I guess I will call the ENT tomorrow to let them know I've discontinued the medication. My 18mo son is also taking it but I haven't noticed any night wakings. He's been cranky though? | F | 4 | 2 weeks | 6/14/2009 | 1 | HYPER REACTIVE AIRWAY | mood changes, crying, difficulty controlling behavior, irritability, acting like a different person, frustrated, trouble focusing and listening. would scream uncontrollably when things didn't go her way. hyper and anxious. | would NOT recommend this for a child!!!!!!!!!! symptoms cleared within a couple of days of being off the drug. my daughter is back!!! and her coughing is not worse. still need breathing treatments though. | F | 5 | 1 months | 6/12/2009 | 2 | allergies | red,raised,blistery,itchy,rash and soreness in teeth and jaws. Nausea, weakness and unsteadiness. | I took this medication once before back in February and did not notice any side effects but the prescription ran out. But when I got it refilled this month I immediately rashed and felt ill but did not consider the Singulair until I realized that I did not have the rash upon awakening each morning and it reappeared after I took the next dose, and went outside, however briefly. I am now considering if my moods were perhaps negatively affected over these past weeks as well. I may never know. | F | 48 | 2 weeks | 6/9/2009 | 5 | asthma and allergies | no side effects | i love singulair, it's a wonder drug that helps with my asthma and bad allergies. it doesn't work perfectly 100% of the time, but for the most part, i love it. and i know it works cuz when i stop taking it, usually cuz i don't have the money for it, it gets harder for me to breathe, and i sneeze constantly and have a runny nose | M | 27 | 4 years | 6/8/2009 | 3 | allergy related asthma attacks | drymouth, stomach pains, drowsiness (even when taken at night it stays with me most of the day), some leg cramping | Was perscribed this medication to help with hay fever that was causing asthma attacks and heard from many people that it was a miracle drug for those with similar issues. The first week I was on the medicine I was also on Predisone, which had its own terrible side effects. I can definitely breathe easier now, but my stomach pains have become worse adding to my issues with acid reflux. | F | 24 | 60 days | 6/8/2009 | 4 | Cold induced Asthma | My 10 year old son has been taking Singulair for about 6 weeks to control stuffy, drippy nose and cold induced asthma. We usually make a trip to Emergency in the fall and in the spring. One of those visits usually involves a stay for 3 to 4 days. He just broke out into a rash the last 2 days. It is only on his skin that appears to be exposed to the sun. It looks like a sunburn, but has bumps and blotches all over it. I have given him benadryl and it is gone in the morning, but comes back when he comes home from school. No other symptoms seem to be present. He is still a very sweet, quiet and loving boy. No mood swings, but after reading all of these comments, I am somewhat concerned. He has a wet cough right now and has had it for the last week, but the stuffy, drippy nose is gone. We have an appointment to see a child allergist in a couple of weeks and I will ask him what his thoughts are on this topic, but don't expect him to admit any connection. My experiences with doctors tell me | The insert with the medication does not mention anything about photosensitivity or sun exposure. That is the only thing that seems to make sense. We have only had some good sunny weather this past week and that is when the rash started. | M | 10 | 6 weeks | 6/4/2009 | 1 | Asthma, allergies | Out-of-control behavior, hyperactivity, tantrums | We are stopping Singulair TODAY! My son's behavior has been completely out of control since starting this medicine, I'm so tired of disciplining him, because he was very well behaved before. He has no control of his actions, he talks for hours non-stop and is extremely hyper. He also just got over being sick with the same asthma/allergy problems and an ear infection, which can be a side effect...so not worth it!! | M | 4 | 1 months | 6/4/2009 | 1 | Asthma | Irritability, rage, difficulty controlling emotions | My child was prescribed Singulair by our GP and ever since, she has been nothing but erratic, depressed and overwhelming. Sudden outbursts, excessive crying, screaming, biting herself ... she even said she was so angry she wanted to kill herself (this is a 7 year old child -- I never could imagine her saying anything like this). After reading up a little on the internet today, there is not way I am going to give this drug to her anymore. | F | 7 | 3 weeks | 6/1/2009 | 3 | allergy and asthma | Cramping in calves and feet. My toes would curl up in a terrible cramp and it would take me awhile to get it to release. Also I would get cramps in my legs. | It helped but the side effect for me is too painful. | F | 58 | 25 days | 5/30/2009 | 1 | "Possible" Allergies | Night terrors, disrupted sleep, tantrums | My daughter was prescribed this medication for a constant cough that was labeled by her doctor as allergies because her lungs were clear. After taking this medication for 2 weeks, she started to experience horrible nightmares! Even after she woke up from the nightmare, it took a while to calm her down. I wouldn't recommend this medication for a small child. | F | 2 | 2 weeks | 5/28/2009 | 5 | asthma | none | This medicine is awesome. I am breathing better now than ever. It has increased my stamina greatly!!! I love it. | F | 41 | 6 months | 5/27/2009 | 3 | to control my sons asthma | i have noticed my son who is 3&1/2 has become extemly hyperactiv & he is saying he has a sore head(headaches i think) he has only been on this for 2 weeks | i am seriouly considering taking my son off this medication after 2 weeks he is to hyperactiv ,i didnt know of any side affects as i wasnt told it was only when i searched on the net i found out,he was on his nebuliser every night up until he started taking it ,it has worked well by controling the asthma but i am finding it hard to control my usually not to hypo 3 &1/2 year old & he is saying he has a sore head so i am thinking he is getting head aches | M | 3 | 14 days | 5/25/2009 | 4 | To control asthma symptons | singulair definitely helps with my allergy and asthma symptons. I did notice I had increased ear infections. What i have come to realize is that I have increased anxiety and mood swings. Family members commented on my mood swings and short temper. I stopped taking singulair for 3 months. Unfortunately my asthma symptoms reoccurred within a week and I had an increased use of my ventolin inhaler. However, my mood swings and anxiety returned subsided completely. Singulair works well in relieving asthma and allergies but it is not worth this side effect. | F | 41 | 4 years | 5/24/2009 | 3 | Allergies | Ear infections, eczema, trouble sleeping, lethargic, bouts of general unhappiness/depression | Seemed to work great for the 1st month, then my ears started bothering me. I've had an ear infection of some sort, and eczema in the same ear that has lasted for over 2 months. Been on antibiotics, anti-inflammatory and anti-fungal ear drops and creams, and nothing works. Am now weaning myself off to see if the Singulair is to blame. | F | 33 | 3.5 months | 5/17/2009 | 1 | YOU MAY NOT RECEIVE A COMPLETE LIST OF SINGULAIR'S SIDE EFFECTS FROM YOUR PHARMACY! YOU CAN FIND A COMPLETE LIST OF SIDE EFFECTS FROM SINGULAIR'S FDA APPROVED LABEL HERE: dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?id=8034 | Consumer Medication Information (CMI) distributed by pharmacies with prescriptions is NOT regulated by the FDA and may not contain a complete list of side effects from the medication's FDA approved label. CMI is usually stapled to the prescription bag or inside it and is different than a medication guide or patient package insert, which are FDA approved, published by drug manufacturers, and and required with certain medications. For more information: parentsforsafety.org/17601/10701.html | F | 5/15/2009 | 1 | Allergic rhinitis | Shortly after starting this drug, I developed a rash on my arms and legs. My eyelids became puffy and felt as if a rash had developed on the inside. I attributed the problems to my working in the yard, so I focused on taking the Singulair more regularly, as my NP had advised when she gave me samples. I also began to feel mildly nauseated. My problems got really bad on Mother's Day and the next day when I had to leave work because of the nausea. I finally realized that taking Singulair was the only real medication change I had made in the past month, so I called my allergist to ask if the rash and nausea could be side effects. They said yes, told me to stop taking it, and to take an antihistamine. I still feel miserable. | F | 64 | 30 days | 5/14/2009 | 1 | Allergic Rhinitis | My daughter (3.5 years old) was given Singulair by her pediatrician in an attempt to curb allergies that badly disrupted her sleep. The past two nights that she was given the prescribed dose (4mg chewable tablet) she has had extreme panic attacks. I am taking her off this medicine now that my suspicion has been validated by all that I have been reading here. I was not advised by neither the pediatrician nor the pharmacist of ANY side effects this drug may have. I do NOT recommend anyone take this or any drug without doing some research first. | ALWAYS tell the Dr about the side effects you have experienced. I also recommend reporting side effects to the FDA (1-800-FDA-1080)in Canada call Health Canada at 1-866-234-2345). | F | 33 | 2 days | 5/7/2009 | 2 | Allergies to pets/dust etc | Mood swings, depression, lack of focus, respiratory distress symptoms when I stopped taking this drug. | I've had allergies to cats, dust and molds all my life. I have been generally healthy except for exposure to these allergens. Singulair really helped prevent asthma symptoms but I noticed when I stopped taking it I had respiratory distress symptoms even though no having no exposure to allergens. After about two weeks the feeling of "I need to go back on singulair" would go away as well as the respiratory distress symptoms. It was like I was addicted to this drug and needed to keep taking it to stay healthy. Since I've reacted to specific allergens my whole life when only when exposed it didn't make sense to me to be feeling this way each time I stopped taking singulair. I'm done with this drug! | M | 57 | 1 years | 5/5/2009 | 2 | seasonal asthma from allergies | depression, mood swings, anxiety | I took Singulair last year when i was 14, and it was a 5mg pill. I had a lot of anxiety and ADD like symptoms, i couldn't focus in school and my grades had a drastic drop. The anxiety and depression like moods would switch off, where I could go from being running around anxious one second to sitting just wanting to be by myself the next. This year I'm now 15, and so the dosage was upped to 10mg. I didn't know this, and so I started taking it again hoping there would be no side effects. It was so much worse this time, I started having panic attacks and crying spells and wouldn't know what to do with myself. Singulair does help with my allergy and asthma symptoms but I think I'm going to stop taking it because of the side effects. | F | 15 | 1 years | 5/3/2009 | 1 | Allergies | anxiety,mood swings,severe depression, severe crying episodes,parnoia,insomnia, irritability,inpatient | I began taking this medication for allergies. It took me a few days to figure out what was going on. I have been taking the same anti-depressant for 16 years and all of the sudden it was not working. Could not figure out what the problem was. One morning I was trying to figure out what was different and this medication was the only new med I was taking. I quit taking it and the symptoms began to subside and I have been off of it for 2 weeks and feel like a different person. I would recommend anyone talking to their doctor about any of these symptoms you are having. I am so glad I found this site. I thought I was loosing my mind! The brochure that you receive with the prescription did not have any of these side effects listed! | F | 44 | 1 months | 5/3/2009 | 3 | Allergies | My eighteen month old son has been taking the chewable form of this medicine for three weeks. This weekend he developed a head to toe raised pink rash. He is very uncomfortable - as if the rash is more painful that itchy. He had a fever for five days last week so the Dr. said his rash was viral (the last phase of the virus that caused the fever). However, I am reading these and other reviews and worrying that it is the Singulair. If so, I will be very disappointed as his sinus issues have seemingly improved over this time. | M | 3 weeks | 5/2/2009 | 1 | Allergies | I had my FIRST HUGE panic attack EVER on this drug. I have taken many different types of anti-histamines before Singular, and although Singular seems to help the allergies... I will not take it anymore after the past four weeks! I had another panic attack and went to the ER it was so bad. I didn't have anxiety before Singular, now I'm on meds for it. Also, I constantly feel out of it, get staring spells and am ridiculously tired. This is the complete OPPOSITE of who I was before Singular. Worst decision to take it. | I wish I would have seen this site before taking Singular. | F | 25 | 4 weeks | 5/1/2009 | 1 | Asthma/Allergies/ Eczema | Anxiety, mood changes, whining, change of personality, aggression | My now 5 yr old son has has asthma since the age of 13 months, and was put into Singulair. It was like a wonder drug it seemed to help in every aspect of that drug. I was quite happy with the drug. He lives with me (biological father) and has little to do with bio mum for her own personal reasons and hasn't since he was 3 and I had not noticed any major affects of this. Yes environmental factors do tend to do this to kids however since he started taking Singulair he changed completely and he was not the child I knew. I took him off it after reading this site and he has gone back to his "normal" self. He no longer suffers from anxiety. He is your average 5 yr old child going on 25. I wouldn't recommend this drug to anyone to use, esp kids. I haven't a clue how it affects the adult brain, but for a child it's a no no. | M | 4 | 3 months | 5/1/2009 | 2 | control asthma | lack of focus in school, frequent urination, nightmares, emotional outbursts | My daughter is 7 years old and was on this medication for 4 years for quite severe asthma. Along with steroid puffers she took singulair. The medicine did help control her asthma, but the side effects were consistent as well. Stumbling across this website, I asked her Pediatrician about the side effects (he stated none were proven). Against the doctors’ instruction, we decided to take her off Singulair. We changed our environment as well (taking all carpet from our home and replacing with hardwood throughout and adding a hepa filtration system). With these changes my daughters asthma remains to be controlled (next step is to take her off the steroid inhaler and have her med. free). The best part is; her mood has become much better, her grades in school increased from a "C" average to an "A" average. She now loves to read, she is more of a peaceful child and she is happier. Sure it cost us to upgrade/improve our environment (in which we needed a loan) but it was worth the money spent to see these improvements with our daughter. Our loan is now paid off and our daughter is a much better person for it - without Singulair. | F | 7 | 3 years | 4/28/2009 | 1 | allergic asthma | insomnia, hand tremors, tinnitus (pulsating in left ear), pain in front of right thigh, thoughts about death | Singulair did control my asthma symptoms. I took it for 6 1/2 years. I stopped it when I read that Singulair had a black box, that it may cause suicidal thoughts in children. I asked myself what it is doing to me. I had no idea. It has been a year since I stopped Singulair. The pain in the front of my thigh went away in 3 days; the tinnitus, which I had noticed for about 6 months, lessened in 6 months and then was gone; the insomnia improved immediately--I slept so well. The hand tremors I'd had since Sept, 2005, are much less, and I only notice somettimes when I am tired. I noticed those when I would lift a fork to eat. I didn't realize I had the thoughts about death and that it wouldn't be so bad, until I stopped the Singulair and the thoughts went away. I would never take this drug again. I would never recommend it to anyone. Why does it have this effect on the brain? I tried a Flovent inhaler, but I was allergic to the propellant, according to my allergist. He placed me on Asmanex twisthaler, which is a powder, with no propellant. It has been a year and it has worked. No espisodes requiring prednisone. What a relief. And, no side effects, of which I am aware. | F | 58 | 6 years | 4/28/2009 | 5 | Asthma/Allergies | Mood swings, depression, suicidal thoughts | Both my son and I have been taking SIngulair for a year or more. I have not noticed any negative side effects until recently. I have had a plethora of moments where I can't seem to shake a dark mood. I am prone to these "phases" and have thought nothing of it. I have not been taking this medicine for a few days and already I am noticing a change. I CAN'T BREATHE AT NIGHT! I wake up once or twice and have to rely on my inhaler. I don't want to think that I must live with either bad moods or breathing problems. This medicine has helped me with the later, but I just can't be sure it's the cause of the depression as of late. My son has had zero sinus infections since he has been on this medication and I haven't really noticed a change in his behavior. But thanks to a few posters, I am going to seek an alternative to this medication. | F | 31 | 1 years | 4/21/2009 | 1 | Daughter's Asthma/ Allergies | It took a few months to occur to me that the nightly headaches my 7 year old was experiencing might be caused by the Singulair. We've noticed that her disposition has become increasingly poor - she has episodes of emotional meltdowns, has lost interest in doing almost anything (her afterschool activities/ sports, and school in general), she wakes up at night complaining of nightmares, wakes up in the morning complaining that she is already tired. She is fidgety and has experienced daytime wetting accidents. | My daughter has mild to moderate asthma caused by seasonal allergies. When Claritin wasnt controlling the breathing problems, the ped. suggested this. We were not verbally warned of any of the above side effects, and whether to discontinue use if they occurred. Only after I suggested it to the ped today did he agree she should stop taking it. Daughter was taking this for approximately 3-4 mos. | F | 7 | 4 months | 4/21/2009 | 1 | allergies, suspected asthma | rash, cough, sneezing, attitude problems, frequent urination, nightmares, emotional outbursts | My four year old was put on this medication while with her other parent. She was only on the medicine for a few days before being returned to me, where upon I found her covered in a rash. She had pink raised spots and was itchy everywhere. Considering that she was given 3 medications at that time, I've dropped this one to see if it is the one causing the rash. This is the second day without it and the rash has faded some. I think the other medications will be MORE than sufficient to help her feel better, and they don't have such horrible side effects listed. | F | 4 | 4 days | 4/20/2009 | 5 | Allergies, exertional asthma | None | Wow, this drug has been like a miracle for me. My breathing and stamina have greatly improved in the year I've been taking it. No side effects whatsoever. | F | 59 | 1 years | 4/19/2009 | 1 | seasonal allergy | Anxiety | I tried it a few times and each time I experienced uncomfortable levels of anxiety. It did work to solve the allergy symptoms but I couldn't live with this side effect. | M | 45 | 5 times | 4/17/2009 | 1 | allergy symptoms, coughing | My 3 1/2 year old daughter has taken Singulair for 2 days. Last night she was so restless and agitated, she went to sleep at 1:00 a.m. She has also been complaining of her leg hurting, which I've seen in another comment too. In addition she is cranky but I'm not 100% sure if it's from this. But, just in case I'm going to discontinue this medication. It's Tylenol Cold & Dimetapp for us! | F | 3.5 | 2 days | 4/16/2009 | 1 | asthma | My daughter started taking this at 3 for bad asthma and allergies all the sudden she began peeing on herself and we took her off it and she stopped we did this two different times and same thing happened. When she was 6 we tried it again she took it a few weeks i noticed she was very moody, she would cry over anything and the crying would last for an hour. She threw a water bottle at me one day, this is NOT like my child at all it also made her where she could not sleep at night. We took her off and she has been fine so it was the singulair that did it. DO NOT GIVE THIS TO YOUR CHILD!! My child has SEVERE asthma and we will find a different medication | F | 6 | 1 months | 4/14/2009 | 1 | Allergies | My 10-year-old son suddenly became very clingy always touching and smelling me--as if he was trying to make sure I was really there. Normally a pretty lazy kid he could not sit down and was very anxious. Then the hallucinations started--he was seeing dark figures and words like "death" floating in the air. He also was convinced everything was poisoned. It took us 2 weeks to consider that it was the medicine. He is returning to normal after 3 days of no Singulair. Thank goodness for this website. | Very scary medicine. | M | 10 | 2 weeks | 4/12/2009 | 1 | control allergy induced asthma | strong stomach pains, heightened anxiety, crying/moodiness, fear of death, increased thirst | I wish my doctor and/or the pharmacist discussed these potential side effects first as part of the decision making process. This is a very pricey drug to experiment with. Also, my daughter had a cough before taking this medication and it certainly has not improved since. Will probably stick with Claritin interimly and have made appts with both my daughter's allergist as well as a pediatric pulmonoligist to get additional opinions/recommendations. | F | 6 | 7 days | 4/9/2009 |
| Key to
ratings: 5-Very Satisfied: this medicine cured me or helped me a great deal. 4-Satisfied: this medicine helped. 3-Somewhat Satisfied: this medicine helped somewhat. 2-Not Satisfied: this medicine did not work to my satisfaction. 1-Dissatisfied: I would not recommend taking this medicine. |
