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  seasonal asthmatic symptoms nightmares, anxiety attacks, anger, change in behavior My 3yo son started taking this 4 days ago. The first night, he had a nightmare. Starting soon after, he started hearing "sounds". We never figured out what he heard, but he'd climb the walls screaming even when he would hear you scratch. This evening he had a 2 hour anxiety attack. His personality has changed even in this short time: he's moody and angry. I wondered if it was the medication, and Google brought me here. There is now no doubt in my mind, and my child will no longer take this. M 3 4 days
12/6/2009
 1  Asthma; persistent, intense cough Significant increase in shortness of breath and fatigue. Prior to Singulair, I was able to walk on treadmill and do some light activity, but after only 2 days of taking 10 mg/day, I felt ill and unable to engage in normal conversation, so I stopped medication. It took a few months just to get back to baseline. Allergist's recommendation was to continue taking Singulair and to begin using a combination inhaler. I decided against that advice as I am afraid of inhalers; also I believed that following his advice would take me down the wrong path (more meds, and thereby more side effects & interactions). I've been waiting for appt w/new allergist who uses sublingual allergy meds--supposedly less problematic. My chronic cough has caused organs to prolapse, so I hope the sublingual med helps before I need operations to correct prolapses. F 58 2 days
12/4/2009
 1  seasonal allergies anger, screaming, hitting, crying, excessively tired, quickly escalating emotions My 6 y.o. daughter has only been on this medication for two weeks but it has been the worst two weeks of my life! Her personality changed almost overnight from an occasionally moody but usually sweet child to a hostile, angry, almost violent little girl. She would go from zero to full-on fit in an instant. I talked to everyone including her teacher and school social worker, desperate for an answer until I thought about the medication connection. We stopped it two days ago and already she has calmed down tremendously. Trust yourself as a parent! A child's personality should not change so dramatically overnight. F 6 16 days
12/4/2009
 1  Allerty, Asthma, Congestion Extremely emotional, uncontrollable crying, kicking, screaming, unable to calm down, back aches. My 3yr old son was on singulair for 2 days. It cleared up his symptoms immedietley, but that is when eveything else started happening. He went to preschool and had a melt down over nothing, kicking & screaming, rolling on the floor. He could not calm down and everything seemed to agitate him more. The tantrum lasted for 90 min. and I had to come get him & bring him home. The next morning he started complaining that his back hurt, the crying started again and his teacher said he has been in a bad mood all day. This was not my son. I was so worried. The Dr. said to discontinue taking it. Now I'm wondering how long it stays in his system. M 3 2 days
12/3/2009
 2  allergies hyper-active followed by extreme fatigue, pounding heartbeat, confusion, anxiety, crying spells, depression, loss of focus, my daughter started taking this medicine about 5 months ago to control allergies. Other medicines did nothing for her allergies but Singular controlled her symptoms quickly. Slowly her personality changed. At first she was very chatty and no longer shy. We attributed this to benefits of after school activities. Then she slept all of the time. Everyone tried to tell me she was just growing. She began eating only half of what she did before. Then, she would suddenly start crying and running around saying "I don't know what I am supposed to do. I can't think. My little heart is beating so fast it's pounding." Her focus on schoolwork declined and her behavior grades declined. I could not imagine my 6 yr old suffering with a mental breakdown. Then, for the first time, the warning label appeared on the prescription. I thought it was a mistake until I found this site. Now it is all clear. I discussed it with her doctor and stopped Singular immediately. It is now listed under her drug allergies. I would never give this to a child. According to her doctor this medicine actually is in the same family as antidepressants. There are multiple warnings about antidepressants in children. I can't believe they are marketing this medicine to children. It needs to be banned for use in children. I pray all effects are reversible. F 6 5 months
12/2/2009
 1  Presumed allergies, cough, wheezing Mood swings, odd behavior, nightmares. I only gave my son 3 doses of this medication. Two of those 3 days, he had nightmares. He was also a little more moody than usual and had behavior that was totally out of character for him. M 3 3 days
12/2/2009
 2  to control asthma-inducing allergie Extreme anxiety, worrying, and obsessive compulsive behavior I am sitting here in tears because I have only stumbled upon this information and and will stop giving this to my daughter immediately. My daughter has always been somewhat shy and concerned about things, but within recent months, she has been having extreme anxiety, running back in to check the door locks, asking "what if...?" constantly. A babysitter's house was broken into and our friend's car was stolen recently, so I was attributing her worries to those incidents, but it's just gotten worse and worse. She has even cried a couple of times at school, which she's never done. Now as I read all these testimonies, I have to think it is her Singulair, and feel awful that she's been so affected by this medicine and that I had no idea it was the cause. She recently started Flovent, and her stomach has been hurting, so we'll probably try stopping that too and see if that helps. Thank you all for posting. F 8
11/29/2009
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 5  Asthma, COPD, Allergies Stomach cramps, but only in the beginning of re-starting this medication. Due to losing my insurance and financial challenges, I'd been off Singular for about a month, after taking faithfully for about three years with no promblems at all. I will never go off this medication again. I couldn't breath without it. My throat was so scratchy; I was short-winded, hacking cough, wheezing, using my inhaler way, way too much. I was miserable. Within 24 hrs of restarting Singulair, I could breath again. I'm having a little adjustment phase now (some cramping, and sleep disturbance), but because I had taken it for so long with no complications, I expect those to diminish in the next few days. This medication is not for everyone -- especially after reading some of the other posts regarding giving this to children. If it works for you, then it's fine, if not stop taking it(.) It's not as though the side effects aren't reported. Your pharmacy gives you the information when you make your purchase. That's the law. I love the stuff. F 47 3 years
11/27/2009
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 2  allergies; dermagraphism; asthma irritable; terrible moodswings; nightmares; zoned out; hyper & then crashes the doctors kind of make you feel like you're imagining these drug reactions. they told me that singular was an amazing drug and did all kinds of amazing things for the kids when i took my daughter off it the first time. urged me to put her back on it if i wanted her better. F 4 1 years
11/24/2009
 1  cough induced asthma nightmares, headaches, acute anxiety, body aches, vision abnormalities, lack of focus, extreme fatigue, mood swings, etc... etc... Our daughter was prescribed this poison by the ped. physician when she was 4 yrs old for cough induced asthma. For the 2 1/2 years she was taking singulair we had every test imaginable done on her to diagnose the complete deterioration of her mental and physical health. The physician never once recommended discontinuing this drug. We decided ourselves to take her off it and within 2 weeks things began to turnaround. It took a good year and a half for 95% of the symptoms to disappear. She is 11 now and there are still some lingering effects of this poison, probably due to the length of time she was on the drug. F 11 2.5 years
11/21/2009
 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 5 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
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 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  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 7 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 8 14 days
11/8/2009

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