Singulair Side Effects

Side effects and experiences with Singulair by users like you. Post Yours Now.
  1. link Gam91
    SEIZURE Singulair mood, sleeping, weight gain, etc STOP TAKING
    I urge anyone with a child on this med to STOP as soon as possible. My teenager has been on this in the 5mg dose for a year and was moody and not the same...didn't connect the singular until he was upped to 10mg a few months ago and his moodiness esc - 61% more...
    Gam91- over a year ago - 7 Replies - in Singulair
  2. link Bradyandolivia
    is it the singulair?
    my son was put on this when he was almost 2 and is nearly 6 now, don't know if his behavioural issues are caused by singulair, but we are stopping it today to see, when would I notice the changes in his behaviour after stopping, within a day, weeks, - 3% more...
    Bradyandolivia- over a year ago - 19 Replies - in Singulair
  3. link Kate2
    These are questions we have brought up for the FDA and Merck to answer.Some parents experience immediate results and within a few days they see the behavior subtly change ,but some children have what we call flash back behavior and we don't know if i - 45% more...
    Kate2- over a year ago
  4. link Respiratory_t
    It will take about 5 to 7 days to notice changes.
    Respiratory_t- over a year ago
  5. link Lindak59
    My 14 year old ATTACKED ME and PUNCHED me in the head while on Singular
    DO NOT let your kids take this medicine. IT IS BAD!!!! My 14 year old was put on Singular and ONLY one week into this medication we started to see RAGE in him, and DEPRESSION, and he could NOT sleep. Last night he finally came unglued when I asked a - 84% more...
    Lindak59- over a year ago - 6 Replies - in Singulair
  6. link Flindy
    I am so glad you have decided to report this to the FDA,so many children and families have suffered due to this drug,please join us in our efforts to get the word out. You can find more info at parents for safety org. Can't post the link they will de - 15% more...
    Flindy- over a year ago
  7. link Lindak59
    You know what...I think that is a GREAT idea and I shall do just that. They shall get an ear full from me that is for sure. Since stopping this med..only a couple days son is himself again. There is no way anyone can tell me that Singular did - 32% more...
    Lindak59- over a year ago
  8. link Kate2
    Please report this to the FDA
    Kate2- over a year ago
  9. link Bkit
    Broke out in hives
    After 3 days of taking the recommended dosage of Singulair, my 5-year-old daughter developed red bumps in a few areas. We thought it was mosquito bites. The next day, after an hour of giving her Singulair, she broke out in hives and began crying hyst - 48% more...
    Bkit- over a year ago - in Singulair
  10. link Lorip
    Terrible Reaction To Singulair!
    I was given Singulair for my allergies/asthma. Since I began taking it, I have had constanst "flu-like" symptoms, bad dreams, severe asthma attacks, stuffy nose, and stomach pain. I am on prednisone and nebulizer treatments and was at my wi - 51% more...
    Lorip- over a year ago - in Singulair
  11. link Henrymel
    Singulair singular, singulair, asthma, environement, natural remedies
    has anyone took their child off of singular for more than 2 weeks and has the child had any breathing issues since being off?
    Henrymel- over a year ago - 6 Replies - in Singulair
  12. link Carllafoe
    i am a 38 year old man with mild asthma and serious allergies. My doctor put me on Singulair which seemed to help at first but then just made me feel worse over all. I stopped taking about a year ago and my breathing problems have gotten worse starti - 28% more...
    Carllafoe- over a year ago
  13. link Lisbug73
    Tooth pain
    Is anyone experiencing terrible tooth sensitivity?
    Lisbug73- over a year ago - 1 Reply - in Singulair
  14. link Nisheyboo
    yes, i have been experiencing tooth pain for 3 weeks. went to dentist and had an x-ray. no bad teeth, he told me that i need to see a oral hygeinist, otherwise my teeth is killing me. i need some relief.
    Nisheyboo- over a year ago
  15. link Andib48

    My 3-year-old has been on Singulair for one month, and in that time, she has developed severe anxiety about nightime and school. She often wakes in the middle of the night screaming, kicking, and very distraught. She has been complaining of bad dream - 58% more...
    Andib48- over a year ago - in Singulair
  16. link Justwanabreathe
    Weight Gain
    I have been on singulair for 3 months - Gained 10 lbs - I have for 2 months eaten better (lean Protein and vegetables) and cut out half my soda intake and replaced it with water and yet I have just gained another 3 lbs in the last two weeks, I hate t - 11% more...
    Justwanabreathe- over a year ago - 2 Replies - in Singulair
  17. link Meds2many
    I have gained 30 lbs over a period of 15 months. I had taken Singulair for several years, but had lost weight and regained weight (10-15 lbs) due to other medical conditions. I had stayed at a pretty steady weight for about two years before this curr - 77% more...
    Meds2many- over a year ago
  18. link Rbaird75
    I'm not a trainer or nutritionist, but have you tried counting your calories or making a food log. I started doing that recently and couldn't believe how many calories I was eating in a day. When I kept my intake under 1800 I started losing weight. I - 30% more...
    Rbaird75- over a year ago
  19. link Momnrn
    Singulair ~ EXTREME AGRESSION! Beware
    I have three highly asthmatic children. One of my daughters at age six was prescribed singulair. Within two weeks of being on this medication she became extremely emotional, and very angry. She actually bit into her twin sisters leg and also kicked h - 78% more...
    Momnrn- over a year ago - 4 Replies - in Singulair
  20. link Elinova
    My 8 year old son is also using Singulair - he started about 6 wks ago. Since then, he has become more sensitive and cries very easily. This is not normal for him at all. He has, also, had a couple of night sweat episodes. I had not made the Singulai - 63% more...
    Elinova- over a year ago
  21. link Kbtroutman
    Singulair chronic bronchitis, sleep well, joint pain, fingers
    I have been taking Singulair on an off for about 2 years, a month here, a month there because I get so cranky and agitated - also I can't sleep well. The chronic bronchitis does improve. However, this last round of 2 months of taking 10mg I have expe - 37% more...
    Kbtroutman- over a year ago - 1 Reply - in Singulair
  22. link Kk71
    I tried Singulair about a year ago for about a week or two and had the same symptoms. I'm in my late 30's and all at once I could not remember how to set my alarm and I wasn't that worried about it either at the time,which is not like me at all. I fe - 52% more...
    Kk71- over a year ago
  23. link Rbaird75
    Heart Defect
    I started taking Singulair the first part of 2010 after being sick for 4 months and 4 rounds of antibiotics. After 2 days of taking Singulair my sinuses cleared right up. I did try to stop taking it a few times and my allergies would flare back up wi - 70% more...
    Rbaird75- over a year ago - in Singulair
  24. link Tasha1825
    Side effects with Singulair in children
    My 10 year old son has been taking Singulair on and off for two years for his allergies, and the I started noticing that his behavior started to change. He was depressed, and he started shaking and making high-pitched noises from out of the blue. He - 85% more...
    Tasha1825- over a year ago - 3 Replies - in Singulair
  25. link Bvann
    [link removed] My son has been off singulair for 3 years now too. Very remarkable improvement with time. I also still feel there are some linguiring side effects. Singulair is a nueron inhibitor which blockes electric brain function meant to trick th - 70% more...
    Bvann- over a year ago
  26. link Massmomof3
    My son is also 10 years old. He has been off the medication for three years. So many of his behaviors have improved - he also was on it for a long time - but some have lingered. Still, I saw major improvements month by month, so I think your son will - 73% more...
    Massmomof3- over a year ago
  27. link Dmcmom
    8 Year Old on Singulair for 5 years
    My almost 8-year has been on Singulair for the past 5 years. He's a very outgoing kid and does well in school but he does have big issues with listening and I have to repeat myself numerous times. It's as if he doesn't really comprehend what I'm sayi - 56% more...
    Dmcmom- over a year ago - 3 Replies - in Singulair
  28. link Bvann
    How are things going with your son and singulair? Try this [link removed] They have helped me at the beggining of my sons issues to understand what may be the cause. Good luck and spread the word to others.
    Bvann- over a year ago
  29. link Avdad
    Do NOT give your child Singulair!!!
    I too, feel compelled to share my little dudes experience. My son started taking singulair 2 1/2 years ago. At first we loved it! His breathing was much better and was able to function close to normal- hockey, football ect...- we took him off of it l - 89% more...
    Avdad- over a year ago - 1 Reply - in Singulair
  30. link Chris934
    Same story here. My son has been off of Singulair for 3 years now. It's unbelievable how trusting we are of pharmaceuticals and doctors. I couldn't take the tantrums a second longer. When my 8 year old became suicidal, I was at my wits end. I too fou - 34% more...
    Chris934- over a year ago
  31. link Rasika
    I never realized the effects of Singulair
    I have just read up all the comments on singulair and was shocked to realize that my son has most of these reactions. He is 3 now. He was first prescribed this drug for allergies when he was about 2. I was asked to continue for atleast 6 months. But - 73% more...
    Rasika- over a year ago - 1 Reply - in Singulair
  32. link Mompower
    Welcome to the club Rasika! I've posted our story on here regarding my 9 yr old daughter who's been on (more than off) it since she was 2yrs old. Taking her off the med has been a Godsend!!!! I wish your son well and I hope you see positive changes! - 44% more...
    Mompower- over a year ago