SINGULAIR Reviews (MONTELUKAST SODIUM)

Average Rating: 2.1 (1370 Ratings)

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 ANTIASTHMATICS BRONCODILATORS

 Type: Rx Drug

  

SINGULAIR  (MONTELUKAST SODIUM):  Montelukast is used regularly to prevent the wheezing and shortness of breath caused by asthma and decrease the number of asthma attacks. Montelukast is also used before exercise to prevent breathing problems during exercise (bronchospasm). This medication can help decrease the number of times you need to use your rescue inhaler. This medication is also used to relieve symptoms of hay fever and allergic rhinitis (such as sneezing, stuffy/runny/itchy nose). This medication does not work right away and should not be used to treat sudden asthma attacks or other breathing problems. This drug works by blocking certain natural substances (leukotrienes) that may cause or worsen asthma and allergies. It helps make breathing easier by reducing swelling (inflammation) in the airways.   FDA Approval Date: 1998-02-20 (Sources: U.S. Centers for Medicare Services, FDA)

  

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Key to Ratings: 1=LOW (I would not recommend taking this medicine.)
5=HIGH (this medicine cured me or helped me a great deal.)

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More on SINGULAIR: Reviews Summary  |  Drug Safety Information

RATING  REASONSIDE EFFECTS FOR SINGULAIRCOMMENTSSEXAGEDURATION/
DOSAGE
DATE ADDED
 
 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- cat allergy Night terrors, screaming up to 40 times a day, hitting, aggression, hyperactivity, insomnia, lack of attention span, where previously there was a great one. I only figured this out a few days ago. She is also on Advair inhaler daily. I've even changed her diet. I'm so glad to see that these medicines may be the cause of behavior that is soooo terrible, that we've had to isolate from family members. F 4 8 months
12/21/2009
 1  coughing related to asthma severe nightmares,aching legs Please do not give this to your children! My confident child turned into a clingy, insecure little girl within 3 days. She had "bad nightmares, mommy" and said they were really bad and she didn't want to talk about it. My little girl normally describes everything in detail. She also had aches in her legs. F 4 3 days
12/7/2009
 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 4 5 days
11/13/2009
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 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
 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
 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
 4  Prevention of asthma & allergies None Prescribed for my 1 1/2 year old son after bout with pneumonia, as preventative for asthma (I am asthmatic and allergic). Convinced it has worked! No noticable side effects. M 3.5 2 years
6/19/2007
 1  Suspected Asthma (RAD) My son was prescribed the drug when he was 3.5. He experienced night terrors, constantly complained of stomach aches, could not focus, had extremely low self esteem, worried that people were laughing at him, irritable and moody, exhibited agressive behavior and perseverated about very minor issues. Things got so bad for my son, we had him evaluated by a psychologist. We stopped the Singulair and most behaviors all but disappeared within a week or two. He is now a slightly quirky (but typically happy) 5 year old. I still wonder if he has any lasting effects from this med. M 3.5 1 years
4/13/2008
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 1  Asthma, Allergies Sleeplessness, insecurity, weakness, EXTREME aggression, irritability. My son was put on Singulair as a 'preventative' measure for his asthma during the winter months. In the last 3 days, he has bitten 2 friends and broken the skin, hit 2 friends for no reason, and violently scratched another friend. This is not our son. He breaks down immediately after doing these very aggressive acts and in unconsolable and doesn't know why he did it. We have been trying to understand the massive mood swing in him and aggressive behavior. Now that I have found this site and others, I am realizing that all of this started 2 months ago when he was put on the singulair - and that when he was off it before over the summer that he had no problems and was the sweet, loving, confident child he used to be. I have had 3 refills for the time he has been on this drug and NEVER received any patient information on the drug with it. I had no idea the side effects were this bad, or even that these were side effects until I researched it myself. I am taking him off and hoping h M 3.5 2 months
12/21/2007
 1  Sleep Apnea Our son was on Singulair for 3 weeks and we noticed a drastic change in his personality during the 3rd week. He became extremely moody, crying whenever he did not get what he wanted in that particular moment, and violent. He also had nightmares at night. We stopped the medication and his behavior returned to normal. M 3.5 3 weeks
11/16/2007
 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/allergies My 3 yr. old son, who is very intelligent, became defiant, hateful, biting, hitting, pinching. He was having night mares, sleepwalking, couldn't make sense of things. I was about to call a developmental pediatrician. I had questioned daycare, church, everybody thinking he may have been abused. Finally it dawned on me about the medicine. I googled it, and found this site. I have taken him off singulair. He has been off for 2 days and it is a slow process, but I am starting to see him return to normal. This medication should not be on the market. M 3.5 3 weeks
3/11/2009
 1  seasonal allergies High fever,watery stools, agressive behavior, nightmares, joint pain, anxiety, moodiness The first week after we started my son, (3.5 years) on it, He had an extremely high fever (104.7) for a week. We thought he may have been coming down with a cold/flu. He also had complaints of not being able to walk because his legs hurt. He stopped wanting to go to school, and started to hit his sister, then he would cry about it because he didn't know why he had hit her. He wanted nothing to do with me(his mom) He refused to even hug me. When he would hug me, he would growl and be so rough with me. But he was fine with his dad most the time. We never put these things together, we just thought it was his terrible 3's .I was feeling myself begining to lose patience with him. He was acting out and never listening. Before the singulair he would sit and play for hours , or "read" books all by himself for quite a long time, but once he started taking singulair, it was black and white. I ran out of his singulair for almost a week, then started him on it again. The first nite, h F 3.5 38 days
4/5/2007
 1  Allergies Within 24 hours, my even tempered 3.5 year old turned into crabby, crying, emotionally fragile child. He would melt down in tears and when asked what was wrong would say "I DON'T KNOW." He is usually very good at expressing himself, but since being on this, he is easily upset and confused. When he wakes in the morning, I'm telling him he doesn't have to take this anymore. I had a bad feeling going into this...no reason why as I had never really heard anything about Singulair (positive or negative)...I just had a bad feeling. I feel so terrible that my sweet boy has had such a difficult few days (major tantrums/meltdowns). He's 3.5 and I'm proud to say that I am always complimented on how lovely he behaves...not the last four days...poor sweet boy. I can only imagine it's the medicine. He has only been able to express that he feels bad all over, but cannot pinpoint an exact location. He said he felt fragile and very sad for no reason at all...scary stuff. F 3.5 4 days
4 mg 1X day
4/20/2010
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 1  allergy, sinus, astma BEHAVIORAL, TANTRUMS, OCD, ODD, MASTURBATION ( YES AT 3 YEARS OLD), DEPRESSION, PROBLEMS SLEEPING, ETC ETC AND ETC. my daughter was sick the whole winter last year, she was about 2 and 1/2 and had started daycare every morning. After catching about over 10 different viruses and always having bronchitis (forgive me my English) then end up taking antibiotics and more and even ending up with pneumonia...she has allergy + sinus + asthma issues... so our pediatrician recommended putting her on singulair, I resisted a bit, do not like drugs at all, but after all they are the doctors, right? It seem to have helped her because she stopped being sick. she took for 3 months and summer came, I stopped... winter is here again and she is sick again, now also her baby brother 8 months old, both sick and her doctor told me to put them both on it, so...I buy the singulair only for her and start giving to her...4 days later I notice my sweet angel going out of control, unbelievable change...tantrums, completely out...plus other things...NOW I GO BACK IN TIME LAST YEAR WITHOUT MAKING ANY CONNECTION I COULDN'T DEAL WITH MY DAUGHTER ANYMORE TOOK HER TO A BEHAVIOR PEDIATRICIAN. HE WANTED TO PUT HER ON ANTIDEPRESSANTS, DIAGNOSED HER WITH ADHD, OCD, ODD AND MORE. AND AGREED BECAUSE SHE WAS OUT OF CONTROL. TANTRUMS, CRYING IN THE MIDDLE OF THE NIGHT, AND I CANT REMEMBER ALL RIGHT NOW...BUT MY CONCLUSION IS THAT SWEET SMART LITTLE GIRL CHANGED AROUND THE TIME SHE TOOK THE SINGULAIR AND AFTERWORDS SHE GOT BETTER BUT I NEVER REALIZED UNTIL NOW THAT I GAVE IT AGAIN AND INSTANTLY SHE CHANGED...I JUST PUT MY DAUGHTER T F 3.5 3 months
4mg 1X day
2/6/2010
 1  Chronic cough Afraid to sleep alone possible night terrors. Obsessed with not letting anyone around her close their eyes. She did not want anyone going to sleep or take naps. She couldn’t express why but it was causing her so much anxiety. She always had a little stutter that she most likely will grow out of but seemed to be magnified this week. With the stutter she started blinking her left eye which is new. Last night was her last dose and I’m hoping she will get back to normal. F 3.5 7 days
5mg
12/5/2019
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 5  Coughing/allergy symptoms Mild increase in agitation/agressiveness. I want to encourage other parents not to be afraid to try this medication. It may have negative side effects for some children, but you won't know if it helps unless you try it. My son has been taking it in fall/winter over 2yrs. It is very helpful for his coughing at night and allows him to sleep. We saw very mild increases in agressive behavior, but nothing we can't live with for the moment. I think this medication can affect different kids differently. M 3 2 years
4MG 1X day
3/11/2010
 5  For Asthma/Allergies Well it was for my 2 Year old son the very first dosage he recieved I noticed that he was very hyper it may not be from the singulair only because it was combined with zyrtec and the rescue inhaler as well. It was the first time I noticed he had those conditions a very bad cough so when bought to the doctor she placed him on those medications As a mother to other mothers as well as dads if your doctor prescribes this medication for your babies dont be too scheptical about using it. It worked for my baby and if your baby has the same conditions there is a possibility that it would work for your baby too. M 3 4 weeks
1X day
3/14/2011
 5  seasonal allergy's None. We are very happy with it! I never noticed any behavior changes with her. In fact she was happier because of the relief it gave her. My daughter started taking it at age 2 to aleviate her allergy symptoms. She has enlarged tonsils and when her allergy symptoms would act up (runny nose, watery eyes, sneezing, congestion)she would end up with tonsilitis and an ear infection. Once she started on Singulair, all of those went away. She stopped getting sick. And her summer was so much better. She felt good everyday. We used the 4mg granular in her juice every morning. It was very easy to give. We stop it after the first freeze then start up again in the spring. F 3 6 months
4/5/2006

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