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 My 5 year-old son took Singulair for about 6 months. He started Kindergarten around the same time as starting the Singulair. From being a happy, focussed little boy he became extremely violent, anti-social, un-cooperative towards his teachers. He would lock himself in the bathroom, urinate in the playground and draw violent pictures. His allergist recommended that he stop the medication immediately and it was like turning a switch, he went back to being his happy normal self again. My 12 year-old son has taken it for 7 years without incident however. M 5 6 months
4mg 1X day
8/23/2010
 3  Allergies Dirrhea, Watery stool, anxeity, stomach pains after I ate, upper and lower back pain and headaches Singulair worked for my allergies but the side effects were to much for me to handle. It might work is some people with no side effects but I cannot fathom taking a drug with the side effects that happened to me I mean to give you an example after I ate something I would experience stomach pains then not shortly after run to the bathroom. since coming off of the drug the side effects have gone away. I rather suffer than take this drug! M 40 25 days
10 MG 1X day
8/22/2010
 5  asthma/ night TERRORS NO side effects My son is 4 1/2 years old, he has been having night terrors 2-3 episodes a month since he was 2. he was just diagnosed with asthma(R.A.D.) and has slept through the night ever since, this medicine is the answer to my prayers. He has also been on xopenex. M 4 2 months
4 MG 1X day
8/18/2010
 3  allergies moodiness,aggressive,angry My son has been taking this for the past 2 months and my husband & I couldn't figure out why he was throwing temper tampers, started hitting when he got angry, aggressive behavior. He has always been a good nice kid, we figured he was going through a phase and thought it was part of his growth spurt process. More time outs & the restrictions increased. We were at our breaking points. Then I thought about the possibility of side effects from his medication. On my side of the family it is very common to have side effects from drugs,so I looked it up & thank GOD for the internet! Like other parents, our pediatrician did not warn us of the possible side effects. I am taking him off the medication & hopefully we will see results soon. I am so.... glad to have found this site and thank you to all the parents who have shared their stories. I now know we weren't alone. M 6 2 months
5 1X day
8/17/2010
 1  allergies/asthma My son was on this medication when he was three and now again at ten. We did not realize until we put him on it this time that it was causing severe changes to his personality. He is very moody, anxiety level is high and he is very angry. He is now off the medication and hopefully we will see changes. I will never put him on this medication again. I do have to say though my daughter was on it for a year with no side effects. For some it works but for others it definetly does not. Watch closely for side effects.. F 49 2 weeks
5mg 1X day
8/12/2010
Email
 1  Asthma My son is extemely aggressive toward family members and his Mom. He jumps on her in bed and wrestles very violently with her. He is laughing the whole time, so it is not malicious; but he does act insane sometimes. He started with facial tics, eye rolling, and throat clearing a week ago, and I am very conerned that he may have these socially awkward habits later in life. After reading some of these postings, we are taking him off the Singulair today as we think that these tics may be due to this medicine. M 5 6 months
1X day
8/9/2010
 1  Allergies Massive temper tantrums, aggressive temperment, unable to please My 2 year old suffers from allergies and the ped. gave us this. I noticed a change in her behaviour but thought it was because of the allergies and not feeling well. The medicine worked, but she was very hard to handle. I took her off of it to see if she would go back to before, and her mood improved within 2 days. Since then, I have put her on it when the allergies act up...I can definitly say it changes her mood drastically. I will never use it again. She goes from sweet and silly to one seriously mean, cranky, irritable child. Done with this stuff. F 2 6 months
2.5 1X day
8/6/2010
 4  asthma vivid dreams, insomnia, slight anxiety I've taken this medicine for most of my life and it has made my asthma so much better. Before I started taking it I had to use my inhaler a couple times a day. Now I use it less than once a month. The vivid dreams are really interesting so they don't bother me. I feel anxious even when I'm not taking it, so I don't know if I can blame that on the medicine. As for the insomnia, I'll definately take not sleeping through the night over felling like I am being suffocated. Luckily this medicine works really well for me, and I feel bad for all the people who have had negative side effects because it makes breathing so much easier. F 19 12 years
10 mg 1X day
8/2/2010
 2  Allergies - to control asthma Anxiety, anger, fear, paranoia My daughter was on Singulair for about a year and became a different person. I didn't even make the connection with the medication, but then stumbled upon this site and starting putting two and two together. In November, I posted here and wanted to update: I took my daughter off of this medication, and slowly her behaviors changed. She is now back to her normal self. While the Dr. hadn't warned me of any side effects when she prescribed this, when I told her I was taking her off meds, she acknowleged it could be the problem. Perhaps this medicine works for some, but parents, if you start your chid on it, please watch for changes. F 8 1 years
1X day
8/1/2010
 1  seasonal allergies Side effects started 2 1/2 years ago and were wrote off as nervous "tics". Beginning with involuntary movement of wrists. Then constant clearing of throat. Months later it was a "funny breathing" as though it was an astma attack. Now over the last week, he started this involuntary turning of the neck and head and stretching of the eyes. Said it made his eyes feel better. Took him to an eye doc for exam, everything was fine. Took him to his pediatrician who again wrote it off as a nervous tic. I stopped the meds myself and two days after stopping the head turning and stretching of the eyes stopped. His whole demeaner has changed. I have contacted the USFDA and reported the side effects that he experienced noting that I had seen this forum. They in turn said that no one else had reported any of these symptoms had been reported to them. So please if you have experienced and of these please contact them and have it recorded so that they can notify and be more Please contact the USFDA and report all these side effects. They are telling me that they have never had these repored. I gave them this link so they could read all these posts for themselves. As a mother, I am very upset and wondering what long term effects this drug may play out later in my sons life. He is only 10. M 10 3 years
5mg 1X day
7/30/2010
Email
 5   None My son has taken Singulair for 3 years with no side effects. He is doing well in school and has no problems with concentration or behaviour. M 7 3 years
5 mg 1X day
7/24/2010
 1  general allergic reaction Knee pain that made me fear having a tumor in my knee, arthritis or a knee injury; gross water retention after a week Instead of reducing inflammation, it caused pain so severe in the knee that it hurt to walk F 64 15 days
39 1X day
7/24/2010
Email
 1  allergies Last night I started crying uncontrollably for a reason which should have not made me cry at all. I could not stop crying. I awoke this morning and am still crying. I feel so sad. I NEVER NEVER cry. I loathe crying and am usually very in control of my emotions. This is scary. I want to keep taking it to see if it helps my allergies, but don't know if I should. I feel I will just cry my way through work today. This is so unlike me. F 49 3 days
10 mg 1X day
7/20/2010
Email
 1  asthma I posted a rating earlier this week about feeling depressed, anxious and even suicidal while on this medicine. I have not taken the medicine for 3 days and the suicidal thoughts are completely gone. The last 2 nights I slept through the night instead of waking up numerous times. I am so glad I am off this medicine. My brother-in-law has taken Singulair for quite a while now and has not had any bad side effects. So it does work for some people. F 44 2 months
10mg 1X day
7/9/2010
 1  Seasonal asthma Mood swings, lower frustration tolerance, easily saddened, throat clearing, humming, eye rolling, head turning We started our 4 1/2 year old son on Singulair per pedatrician suggestion due to seasonal asthma. Previously we treated him with a nebulizer (zoponex/pulmicort) as needed. Our pediatrician suggested Singulair as a daily remedy so we started him on it once the school year ended (first week of June). During the first two weeks we noticed some behavioral changes (easily frustrated, VERY emotional, intense play) as well as sporadic humming, mostly while he would be engaged in watching TV. When we would ask him why he was doing that he would say "I don't know; it makes me feel better". This then led to a persistant throat clearing the following week and now, out of the blue, he has started repetitively turning his head as if he is looking at something next to/behind him. This is now happening in a wide range of environments (watching TV, playing, walking, during conversations). He says it "makes his eyes feel better". Once the head turning began, and we looked at how these symptoms had developed, we determined that this could have something to do with the Singulair so we immediately took him off. It has been over a week now and he continues to repetitively turn his head, sometimes as many as 15-20 times a minute. Needless to say we are a bit concerned and are hoping that this decreases over time since these behaviors seem to result from his 3 week Singulair trial. Updates to follow... M 4 3 weeks
7 mg 1X day
7/8/2010
Email
 4  allegies hyperactiity, depression,agression, mood swings, headaches, M 15 5 years
10mg 1X day
7/6/2010
 1  asthma I was not to tell any difference in my asthma. However, my thoughts and emotions were greatly affected. I have been having suicidal thoughts and even planning it. I have been having terrible mood swings. I snap at the least little thing. I am glad I finally realize it's this medication. F 44 2 months
10mg 1X day
7/6/2010
Email
 5  Asthma None I love this medication. I have been fortunate not to experience any side effects and have had lots of benefits. My asthma is never better than when I am on Singulair and it knocks out my allergies which are a main cause of my asthma. My mother had temporary depression when she started this medication but I never experienced that. F 28 3 years
10mg 1X day
6/30/2010
 2  allergies and cough weight gain, mood swings, manic behavior, nightmares, and anger great with allergies but the side effects are worse than the allergies. F 47 3 months
5 mb 1X day
6/24/2010
 1  Allergies I have been unusually depressed - suicide thoughts - lack of mental acuity. Also, primary reason I took this was to get rid of a cough but I cough every time I breath cool air from air conditioning. Also experiencing breathlessness at times. I went online to see if my depression could be associated with any drugs I am taking. I also take blood pressure medicine (losartan) but have not had any problems with that in the past year. M 50 2 months
1X day
6/24/2010

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