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
 
 3  Allergies My son had extreme mood swings, behavorial problems at shcool, agression, aggitation and bad dreams. The side effect lessoned a couple of days after stopping the medicine. The side effect is gone now and it has been two weeks since he has stopped taking singular. I have taken Singular for a couple of years with no problem. I was shocked when my 8 year old son started acting differently - I would have never guessed it was the singular. But his mood is totally back to normal after stopping the medicine. M 8 4 months
5 mg 1X day
2/24/2010
 1  asthma and allergy She started having wild behaviors and attacking to me which she hasn't done ever even if she was very mad, feels hot when I take her temprature is 100 and right after that she said she feels she is not hearing anything then a loud noise and feeling dizzy. I think this is a junk and they should stop producing this garbage and giving it to kids. F 6 15 days
5mg 1X day
2/24/2010
 3  Asthma Bed wetting, excessive talking, night waking, nightmares, aggression toward the dogs, hyperactivity. My son can just barely stay out of trouble as it is. Sometimes we have to go back on the singulair so that he will stop coughing and wheezing. When we do, we see his behavior get much worse. It takes a couple of weeks to really start working and about the same time the coughing stops, the talking starts. He will jabber out loud so fast my husband puts in ear plugs. We have to weigh the asthma symptoms to the amount of trouble he is causing. My son has been on and off this drug for 4 years. When he takes it he stops coughing and wheezing it works really well. It is good and bad. M 6 4 years
4mg 1X day
2/22/2010
 1  asthma and allergies severe anxiety, hullucinations, paranoia, severe mood swings. Started taking this in 4th grade, worked great for my allergies and asthma, however when the dose was upgraded to 10 a year later I started getting hullucinations, was very paranoid and scared. I took the medication on and off for five years so there would be times I would be fine then I would start in with major anxiety, fear, afraid all the time that my mother was going to die, unable to do anything away from her. My mother asked the doctors if these symptoms could be related to Singulair and they just dismissed us and said no. My symptoms got so bad I was given prozac and xanax, which didn't help. Then we found this site and stopped taking the medication immediately. That was two months ago. I'm almost free of the anxiety, not completely symptom free but feeling MUCH better. I'm able to go to school and even out occasionally with friends. This medication works for the allergies and asthma symptoms but not worth all the horrible side effects. I wish there had been better warning labels when I started this medication, I would have stopped it immediately back in grade school and I believe my life would have been much different. M 14 5 years
10mg 1X day
2/15/2010
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 1  Lung issues due to prematurity Extreem behavior, violent toward everyone, crying over minor issues, screaming all night, major mood changes and once taken off the drug, we got our little girl back. The behavior changes were scary. F 43 4 days
30 mg 1X day
2/15/2010
 1  Congestion from allergies uncontrolled urination & bowel movements; nightmares, inattentativeness at school; moodiness; slight aggressiveness; sleep walking My six year old son was on the medication for about three weeks before the abrupt changes in his personality. The first indicator was a phone call from his teacher very concerned with the unexplained "accidents" he was having at school. This was very unlike my son considering that he never had any type of "accidents" since he was potty trained at two years old. My son's teacher also described my son's inability to concentrate and almost an unwillingness to do his work. The potty "accidents" continued at home with almost a daily occurence. I began noticing a change in his level of moodiness and aggression. Unhappy with a conversation I was having about him with his grandfather, my son hit me with a plastic toy bat. What was alarming was the action, not necessarily the force. The straw that broke the camels back was when he was caught sleep walking. He ended up in my kitchen, removed his shorts and underpants and urinated on my dining room chair and kitchen floor. He was completely unaware of the incident when he woke up later that morning. It wasn't until I connected these changes to the onset of putting my son on this medication. I passed along my concerns to his pediatrician who merely dismissed it as a change in his diet and now having a sleep walker on our hands. Her advise was to bulk up his diet and to put gates and bells around the house to awaken us if my son continued to sleep walk. I know my son, and I know his behavior patt M 6 1 months
4 mg 1X day
2/15/2010
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 1  Asthma When I first started singuliar, my asthma improved for the first few weeks, then my asthma went back to the way it was, I would have an attack at least once a day. I thought, why take this medication when I am having the same amount of asthma as before the singulair. After a few months on it I decided to stop taking it, my asthma became severe, like I would have an attack every 3 hours and use my albuterol. I gave up, now have been on it for about 2 years. Tried slowly weaning myself off it, can't seem to. I just stopped cold turkey two days ago and my asthma is out of control. Also, doctors have had me on steroids my entire life, as I got older, I would get sick more often and more severe. Sinus infections, broncitis, pneumonia, many times a year. I stopped all the steroid inhalers and prednisone about 4 years ago, it took almost a year for my immune system to recover from the steroids, but once it did, it was great. I never have to go to the doctor for sickness, my body can fight the F 35 2 years
10 1X day
2/11/2010
 4  My son constantly sick runny nose mood and behavioral changes especially in school My son is 6years old and is in Kindergarten , I cannot believe what I am reading,it worked with the runny nose and colds that he was getting once a month,but all of a sudden my son is misbehaving in school, not staying in his seat, hitting other children, he has never been like this, I started worrying about ADD or ADHD, until the thought came to my mind that he started acting this way after he started taking Singulair, I AM DEFINATELY TAKING HIM OFF THIS MEDICATION!!!! M 6 30 days
5 mg 1X day
2/9/2010
 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  exercise induced asthma diarrhea, constipation, stomach cramps, depression, anxiety, anxiety attacks, suicidal thoughts Quickly determined that the daily diarrhea and other gastric symptoms were due to taking Singulair, but thought I'd wait it out and see if it went away. However, after reading up more on this medication, I realize that my anxiety and depression were not due to other circumstances in my life that are going on concurrently. I am a strong person mentally and can deal with problems. But I actually had suicidal thoughts twice and that really scared me. So I'm tossing this medication in the garbage tonight. I'll stick to my inhalers, thank you very much. Can't wait to detox this medication out of my system. F 45 22 days
10mg 1X day
2/5/2010
 1  allergic rhinitus agitation, hyperactivity, deliberately unfriendly behavior, oppositional, defiant, bad dreams, tempertantrums, kicking, aggressive behavior, talking too much My son is going off tonight...a normally energetic kid has become overly aggressive, running into us, head butting with force, defiant, combative, purposely antagonizing. He is calm at preschool and within seconds of leaving is yelling, jumping, hitting - unusually aggressive and agitated. He will talk incessantly and then just crash and fall asleep. His emotions have been on a roller coaster. This stuff if awful. I feel horrible he lasted this long on the meds. M 4 10 weeks
4 mg table 1X day
2/3/2010
 5   I had little side effects. Headaches and trouble sleeping. I had truly the worst asthmna a that a person could have. I was in and out of the hospital and at one time, I spent 11 days in intensive care on a respirater. My lungs were failing. I was given my last rites and at 28, I was dying. When I finally got better, my pulminoligist put me on Singlair. It has changed my life. For one thing, I have a life now. I have a child and I am happily married. I believe from all the readings that Singulair is toxic in children. I can only speak for myself and it saved my life. F 35 7 days
1/28/2010
 2  asthma/allergies outbursts, argumentative, anger, depression, hyperactivity, expressed suicidal ideation. My 9 year old son began taking when he was 6. His teacher thought he was ADHD. Last year, I began to think it also. We ran out of the medication and i took two weeks to refill it. The second week he had a really good week at school. The next week he was back to being a problem. I remembered reading about side effects but never made the connection until then. I have since stopped giving it to him and the negative behaviors are dissapating. I am angry with myself for taking so lomg to see the connection. He is at his 3rd school in 3 years because of problem behavior that could have been avoided! M 9 3 years
1/28/2010
 5  asthma very slight tremor in my hands sometimes The slight hand tremor was the only side effect I noticed. Otherwise,I am very happy with it. F 33 5 years
1/26/2010
 5  Asthma No side effects I have been using it on and off as supplement to Seretide M 48 2 months
1/26/2010
 1  Asthma/Allergies/Chronic Sinusitis When I was about 13 my doctor put me on this medication to help with severe asthma and allergies. I was an extremely happy, intelligent and outgoing child before I was put on this medication, but once I began taking it, it was like I was a different person. I was suddenly extremely irritable, prone to aggressive outbursts, chronically depressed, developed severe insomnia, developed a severe anxiety disorder accompanied by massive and frequent (3-6 times per day) panic attacks, began to fall asleep and hallucinate during daily activities, catatonic episodes, experienced horrible nightmares and perhaps most annoying of all, I experienced uncontrollable and unceasing tremors and 'ticks'. After 1 year on Singulair I attempted to commit suicide, 6 months later I attempted again, and again 2 years later. When I was 18 my doctor took me off of Singulair because my asthma had seemed to improve, one year later she put me back on it because of chronic ear infections. That one year that I was off I have taken myself off of singulair again, after happening to review a patient information handout at work one day (I am a pharmacy technician). I have been off of it for a week now and already I am beginning to see beauty in the world again and feeling more confident in myself. I feel as if being on singulair has ruined my life. My whole adolescence was consumed by this drug, and I was coming close to trying to kill myself again, before I took myself off of it. This drug has taken away time and ruined relationships that I will never get back. I am writing this note on here in hopes that patients and parents consider very carefully the side effects of this medication and the implications that it carries with them. Yes, it got me off of my inhaler, but I paid a heavy price for that convenience. F 20 6 years
1/25/2010
Email
 1  Allergy Induced Asthma Night terrors, hallucinations, anger, depression, violence, suicidal thoughts/comments, extreme mood swings, crying, moodiness. I had no idea these were side effects. I don't remember reading any of these when we started the Rx. My friend told me about her son and his experiences, which were exactly like my son's. We are done with Singulair. M 11 2 years
1/24/2010
 4  Chronic sinisitis None. I have been taking this drug for 2 weeks and I have not noticed one thing yet. I have had sinus infections forever and constanly stuffy. I hada infection and went on this instead and I honestly can't say anything bad about it yet. I have been reading through all of these comments and I find it hard to believe it has such large side effects for some people. however, Everyone reacts differently!! F 23 12 days
1/23/2010
 1  asthma; wheezing, night cough Nightmares. I gave my son one pill. After he went to bed I searched for side effects. I saw all the terrible reviews and hoped for the best. I won't put him on steriods because he is very small for his age and I don't want his growth delayed. He woke up with nightmares all night. He whimpered and shook as he lay beside me sleeping. My heart broke. I'm so glad I knew this was a side effect so I could immediately stop giving it to him. We're looking into alternative treatment (traditional chinese medicine). F 32 1 days
1/22/2010
 1  Chronic nighttime asthma For the entire 9 months that our 4 year old daughter was on Singulair, her asthma symptoms completely disappeared - BUT - she experienced constant nightmares, almost every night. I put it down to 'a phase' until I realised that it was associated with Singulair. I feel dreadful as a mother for taking so long to realise that my daughter's nightmares, which really distressed her, were caused by the medication. We recently reduced her dose and then increased it again - as soon as we increased it she started wetting her bed every night. I will never ever give her this medication again. I think there should be a thorough investigation into this medication. F 34 9 months
1/21/2010

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