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  to help prevent ear infections Defiant, hostile, screaming, night terrors, destructive, out of control, moody, not eating, Singulair caused a noticeable change in my 2 year old son’s behavior in the last 2 months. He started waking up in the middle of the night screaming because of night terrors. Each day, he got a little worse. Defiant, hateful, destructive, etc. He also started biting his fingernails and obsessing over little things, like the strings hanging off of his blanket. He still isn't talking much, so he can't tell me what is going on. His doctor did not know what to think. I even took him to the ER once, and they couldn’t find anything wrong. I knew that this was completely out of character for him. Something had to be causing it. We decided to take him off Singulair after double checking the side effects on the pamphlet that came with his prescription. Two weeks after stopping the medicine, the change was amazing. He is back to my great little boy. I am sooooo glad that we discovered this after only a few months. I cannot imagine living like that for years. M 2 4 months
1/16/2009
Email
 1  asthma for 2 year old insomnia, changes in sleep pattern, biting, nightmares After research have found product's safety never established. Source: www.rxlist/the internet drug index .I DO NOT RECOMMEND THIS DRUG MY WIFE HAD ALSO BEEN USING AND NOW HAS NOTICED COMMON SEVERE SIDE-EFFECTS. I strongly urge the company to do its research before prescribing it for children. I hope they monitor this board. M 2
12/21/2005
 1  Asthma My 2 year old son was diagnosed with Environmentally Induced Asthma in May 2006 (he was 19 months old). Smog and high humidity are the worst as are rapid chages in outdoor temperature. Needless to say we have had a very rough summer. We just stared taking Singular 3 DAYS ago and I have already noticed the side effects that are listed here by other parents. He has been calling out in the night and waking up crying many times throughout the night. I imagine this is the nighmares but he is still to young to tell me what is going on. He is also crying about the smallest things like having to put down his toy car to put on his coat. It's like it is devestating to him. He is also "doing laps" around the kitchen and dining room yelling "run around, run around". This fits with what other parents have reported as well. We were trying Singulair to get him off the FloVent steroid puffer which is already noticibly stunting his growth, however he will regain the growth once he is no longer using the FloVent. We are discontinuing the Singulair today. I will not have my good natured, sweet little boy go through this. I am so greatful for this website that we could catch this after only 3 days not 3 months or 3 years. I just can't imagine. We are also using alternate medicine. Chiropractic/Naturopathic seems to have had a positive effect. I know that one of the "remedies" has greatly reduced his asthmatic symptoms but it does need to be suplemented with the conventional puffer. M 2 3 days
11/20/2006
 1  asthma/coughing High fever and cold symptoms. Night terror. My 2 year old son was prescribed because he may have mild asthma and coughs a lot at night. His allergy doctor prescribed it. He has peanut allergy, and cat/pollen allergies. The very first night on it, he got a high fever and came down with cold symptoms. The next day I left a message with the doc and took him off of the med. Within 48 hours, his fever went back down, and then the doc called and said cold symptoms are unlikely and put him back on it. I gave him a dose, and the very same night his fever went back up to 103.5. Then next day his pediatrician said take him completely off until he's well and then try again to see what happens. After reading the stuff on this site, now I'm afraid to put him back on it. I also recall that the week he was taking it, he had a night terror -- and he had never had one of those before. Could be related. I think I'll ask the doc for another way to relieve the coughing. I hate giving my kid drugs for the reasons discussed on this site. M 2 2 days
8/20/2007
 1  My two yr old son for allergies My son went from being a cuddly, affectionate child to being a complete terror. He throws things, he smacks people, he deliberately does things repeatedly with you standing right there even though he was told know, then he laughs when you yell. My son is not this child and I'm glad that I caught it when I did. I feel sorry for those parents whose children have suffered longer and worse than my son, but knowing this, he's off effective immediately. Why don't they warn you about these symptoms??? M 2 3 days
4mg 1X day
3/29/2012
 1  Sinus Night mares , crying , mood changes , crying a lot M 2 2 weeks
Granuals
5/7/2013
 1  asthma like symptoms My twin boys were 18 months when they took this medicine and they BOTH began to have mood swings, one alot more than the other. We noticed it begin 2 days after we started the medicine and within 2 weeks our one son was having major fits 4-5 times a day for about 15 minutes each. You could tell he was unable to control them. It worked great for there cough at night and wheezing but the behavior change was not worth it. After we stopped the med we have not seen those behaviors. M 2 3 weeks
4mg 1X day
1/8/2011
 1  Allergies, RAD Irribility, agressive defiant behavior. My daughter was prescribed this medicine for allergies to prevent symptoms of RAD. After a couple of days we noticed her behavior change as she became very agressive and irritable and very defiant. I have stopped the medication and since her behavior has improved. I will ask her doctor about alternative meds such as Allegra or Clarinex. F 2 2 months
1X day
2/3/2011
Email
 1  Asthma and Allergies My daughter was just put on Singulair for her Allergies and Asthmatic cough. Her allergist put her on this to see if it might help her I was very hessitant to give it to her but after seeing her suffer today I decided to give it without having time to sit down and read about the side effects. I am so terrified right now I think I am going to spend the night sitting next to her and watch her very closely. My heart goes out to all those parents who have had children suffer with those horrifying side effects. I cant believe something hasnt been done by the FDA to pull this drug from use of children. My nephew was also on this for a year for allergies when he was two after a year of taking them he stopped now he is 7 and he still has nightmares, cant sleep through the night, compains about voices he hears, extremely sensative, talks about killing himself at times, etc. Does anyone know if this might be a side effect from the drug after so many years? F 2 1 days
4mg 1X day
9/30/2011
 1  two year old son taking for asthma severe nightmares it stopped my sons asthma cough in two days. But the nightmares have been horribile wont ever giver this drug to my son again. M 2 30 days
4mg 1X day
5/20/2011
 1  Allergies asthsma My daughter began taking drug as a replacement to Flonase for allergies. The first night she had night terrors, never had them before in her life. She woke up several times a night screaming and crying while on the drug. During the days she was very emotional, crying at the drop of a pin about everything. F 2 10 days
4mg 1X day
6/29/2011
 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
 1  asthma problems my son has fever, swelling in the face, very irritable and most of all nightmares and trouble sleeping, also found trouble swallowing. It does not help or has little effect, my son is two and he has suffered from nightmares and hyperactivity from day one. I would not recommend this drug to anyone with asthma. Today my son was diagnosed with a throat infection, needs ventolin again and GP told us to come off the SINGULAIR M 2 7 days
4mg 1X day
4/2/2010
Email
 5  asthma night terror, sleep disruption, aggressive behavior (biting, hitting, pulling hair), increase in thirst, diarrhea, sleepiness during the day My 22 month-old son has taken this med for 13 days now. Within 48 hours of his first dose, the runny nose, coughing at night/with increased activity, ceased. Originally, I was very impressed. A close friend advised that Singulair has several side-effects and to watch him carefully. I did not recognize the side-effects until reading other postings on this board. He is an active (and sometimes aggressive) little boy. How do I know aggressive behavior is related to drug and not just part of his age? He has hit, bitten, and pulled hair before, but never has he had night terrors. Regardless, I am taking him off the drug and will immediately begin researching alternative medicine approaches...dietary changes, etc. I am so sorry for these other children who have suffered such severe side-effects for such a long time. Thank you to those parents for notifying the rest of us. M 1.9 13 days
1/19/2008
 1  Allergies/Asthma My son has been taking Singulair granules for approximately 2 weeks now. Doctor stated that if the combination of medicines prescribed (Singulair, Nasonex, and Cefdinir ) did not significantly improve his symptoms within 2-3 weeks, our next option would be to remove the adenoids. While the medicines seemed to "miraculously" cure the eternally runny nose and cough (in just 2 days!) and grant my son his first sound night of sleep in months, the associated side effects have been so scary that we have not given him the medicine in the last two days. During the first week (after about 2 days on the medicines), he would cry that he wanted to "sleep in Mama's bed" and we sometimes gave in and allowed him to do so, as a result of his unconsolable crying.In the last week (days 7-14 of the medication) we have seen him go from a sweet, independent little boy to an aggressive, frightened, uncontrollable child. He has NEVER in his life had problems/fears associated with slee We follow the same bedtime routine each night; medicine, bath, diaper, singing/praying while rocking in his room, and then placing him in his bed. The moment he feels my body shift to stand up and place him in his crib he begins to tense up his whole body and scream in a manner which is simply almost un-human. He is unable to speak between screams. It takes up to an hour to calm him and even after bringing him into our bed his sleep is restless. He never used to want to be cuddled and cradled while sleeping in our bed. Now, he seems to NEED to hold my face or hand the entire night. If I shift in even the slightest manner while lying there, he panics and wakes up SCREAMING! I tried to let him "cry it out" a few nights to our utter dismay. He actually seemed to have such a breakdown on those nights that he was completely inconsolable and nobody in our household could sleep those nights. The few times I have been able to let him "cry it out" in a somewhat accep F 1.8 12 days
9/11/2008
 1  allergies My 22 mo. old son started taking Singulair last week and has irritable and has been having trouble sleeping. He has always been the best sleeper out of my 3 sons. I remembered reading on the patient leaflet that this could be one of the possible side effects. After reading the comments on this site, I am planning to take my 3 year old, who has been on Singulair for a year and a half, off it too. I think this is what is causing his repeated waking at night with nightmares and hallucinations. M 1.5 7 days
5/21/2007
 1  Allergy and Child Asthma Preventive Hallucinations, Night Terrors, Aggression, Screaming at night SHOULD BE TAKEN OFF THE MARKET. My 20 months old has been having night terrors for about 4 months now and hallucinations this past month. Her grandmother started researching singulair and found the link to hallucinations and night terrors. I have completely stopped giving her this medicine. I can't believe Pediatricians are prescribing this drug to children with these types of side-effects. Every child is different but the risk of a child having hallucinations is not worth it. I wish I caught this earlier. Now I need this medicine to get out my baby's system. F 1.5 6 months
1X day
5/14/2018
 4  asthma, allergies extreme thirst (she is constantly drinking), loss of appetite, weight loss My daughter started taking this after having 2 serios asthma attacks in a month. It, along with pulmicort, have helped to control the asthma. F 1 40 days
9/19/2008
 2  allergies always thirsty, not much appetite, mean, hitting, bighting, throwing, yelling, BAD tantrums, not her normal self at all The doctor put my daughter on singulair a few months ago for her allergies. It really seemed to help her coughing through the night and watery eyes and all. I quit giving it to her for a while because she didn't seem to need it. A few weeks ago i started giving it to her again. And thats about when we noticed her disobedience and yelling, throwing, hitting, biting, major tantrums, loss of appetite, and being very impatient and just not acting like her normal self. I just thought she was already getting into her terrible 2's. But thats not ever how i imagined my child to act, i couldn't figure out where she was getting it. I got a call from my mom this morning, asking me if she was still taking this medicine i told her yes. And that is when she forwarded me this website. I thought hmm, that explains it. F 1 4 days
1/29/2009
Email
 2  allergies and asthma dramatic mood change= went from wonderful temperment to hair trigger trantrums, sleeping changes= nightmares and sleeping patterns, change in appetite= eat anything & everything to very picky eater F 1 45 days
8/5/2009

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