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)

  

Results are sorted by Age from youngest to oldest (reviews with no age reported listed first).

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 son experiened mood swings, yelling, sadness, constant crying, agressive behavior. I would not recommend this to any child. The sadness that they feel should not be experienced. Parents or child going thru this is so frustrating not knowing how to help them. I actually thought my son was just being mean, until I found out what it was, now everyday I hug my son so tightly... M 6 3 weeks
12/12/2008
 1  allergies My son was on Singulair for 3 years, from 3-almost 6 years old. He experienced uncontrollable emotions that all were all great exaggerations of normal preschooler behavior, but exponentially more: rage, aggression, anger, frustration intolerance, explosiveness If you are having any behavioral side effects and keep hearing that there aren't supposed to be any, check out this link: www.parentsforsafety.org/17601/index.html M 6 3 years
12/25/2008
Email
 1  6 year old for asthma/allergies Night terrors. Wakes up 40 minutes after going to sleep and screams. Inconsolable for 10-20 minutes. Irritable, cannot concentrate. Everything seems to be more difficult for him. Major change of personality. Singulair should not be prescribed for children under 10. It seems that its side effects have a greater propensity to effect children than adults. I have read every posting here and I have highlighted every one of the entries for children under 10. Night terrors, insomnia, irratic behavior of every type, change of personality and lack of bowel control are mentioned in every entry. How can doctors prescribe this to children? Anyone reading this, please tell your doctor about this. FDA and Merck will not do anything. The most immediate point of control is the doctor. If they fail to warn and there is damage to your child, your legal remedy at first is the doctor. Because of federal law preemption, Merck has some protection....at first. Best thing to do is contact your doctor immediately. I am thinking of a suit against Merck. Sometimes being a lawyer is a very very good thing. M 6 4 weeks
11/25/2007
 1  Allergies Serious mood swings leading to hitting and total disrespect to everyone. Unhappy the majority of the time and states nobody loves her. I had a hunch it was her medicine but was not sure until now. That is why we are removing our daughter off the medicine tonight. We would not recommend this medicine to any parent no matter the up side to it. Way too young to be dealing with adult type behavior. This medicine needs to be stopped from being prescribed to children. F 6 2 years
11/3/2007
 1  Allergies Moody, depressed, breaking into tears. Argumentative constantly and tired all the time. My 6 yr old son was prescribed singular about 2 months ago for allergies. He has become progressively more difficult to deal with. I thought he was 'coming down' from Christmas or tired due to a growth spurt but I will be taking him off this drug today! I am so glad I found this site or my poor baby could have ended up being in this state forever. He is normally such a cooperative, sweet little guy. M 6 60 days
1/11/2008
 1  asthma aggression, night terrors, temper tantrums, oppositional behavior, violent thoughts,possible hallucinations When my daughter was 2-4 she took this. She went from an emotional child to a psychotic one. Several times she even said,"My brain is telling me to do bad things". She would cry and scream for hours. (and I would cry too) She had two horrible years at pre-school. I was "this close" to taking her to the psychologist. (and myself) I took her off the meds as it was summer and she hadn't had an attack in a long time. Thought maybe she had grown out of the asthma. When I noticed the immediate improvement in behavior I researched the medication and realized....The guilt was overwhelming Do not take this or give it to any child F 6 2 years
3/1/2008
 1  Asthma excessive crying,mood swings,depression,highly emotional,trouble focusing/listening Finally answers to all of my questions!!!!!! It's been about 5 years that my 6 yr old son has been on singulair. Ever since he's been on it I've had problems with his behavior. Sure the doctor was right about the attacks being controlled but not his behavior. It's a blessing to have found this site. My son will no longer be taking this medication! Singulair should be recalled due to all of these side effects it has caused in children and adults. M 6 5 years
9/2/2009
 1  mild asthma, allergy symptoms ok where do I start, My son started taking Singular 4 mg after second birthday. I never really thought that his behavior could be caused by singular(the wonder drug). I think back now and I have chills on my arms after reading the stories. They sound so much like my son. It has always been hard for him to make friends and he was hyper and distracted, ADD symptoms, was amazed over death and grave yards, would cry at the drop of a hat and would never followed directions. I just thought it was part of him and we all accepted it. At 6 the Dr. put him on 6 mg singular chewables. I would have never known about this if it hadn't been for me taking him to the dr for his constant itching and rashes and the Dr. suggested we see an allergist. We went to the allergist and they did all the stick tests and found his allergies and then told me to keep him on the singular 6 mg. and he prescribed zyrtec and flonase. After taking 2 days along with the singular 6 mg he was already taking he begain to ta Please don't give your child this medication, the side effects are really scary and children are suppose to be children not little zombies. I have since gotten and really nice humidifier and I will use that instead of drugs. M 6 4 years
7/15/2009
 1  asthma aggression, extreme agitation, irritable, tantrums and depression This med was prescribed to my son when he was 3 years old however it wasn't until he was 4 that he took 4mg daily then 3 months prior to his 6th birthday is when the dose was increased to 5mg...which is when all hell broke loose. Last week when I found this sight I cried. All this time it was the singulair and not one doctor attributed my sons change in behavior to this horrible drug. Now that we have stopped it some of the aggression, depression, agitation, and tantrums are improving...I hope with time we get our son back completely and that the terrible side effects we have experienced go away. My poor son is only 6 years old and has been thru hell because of this med. I am sure many patients do fine on this medication but it isn't for everyone. I just wish I realized the link sooner. M 6 2.5 years
1/16/2010
 1  asthma aggressiveness,tantrums,nightmares,hearing voices,ADHD behavior My six year old son has been on Singulair for almost one year. It has worked for his asthma but we have seen a sweet happy little boy turn into a monster! The changes did not happen right away but slowly. After his dosage was increased when he turned six things have escalated. He has been a crazy child since starting kindergarten. He is now in the care of a child psychologist, child psychiatrist and a team at his school. He has been suspended for his behavior and kicked out of his after school program. He started meds for ADHD 3 weeks ago with little improvement in his behavior. Like many other parents I have asked the doctors can it be the Singulair and they all say oh no way! After talking with a pharmacist who told me of the horrible side effects - which by the way are not listed on the drug companies web site - I have chosen to stop the Singulair. I pray that it is the cause and that I will get by sweet loving little boy back. Something should be done about this and everyone should complain LOUDLY to the drug company! If it turns out that our world has been turned upside down by this and hundreds of dollars spent on our son's mental health issues someone sure will hear from me!!!!!!!!! M 6 11 months
12/17/2009
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 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  my son was taking it for asthma very very aggressive,said he hated himself and all of us,went from a very happy child to throwing tantrums that i could not stop,has bad nightmares,sees things that are not there,getting into fights at school,said his brain felt like it was about to bust out of his head,biting his nails,constantly crying over small things,says his feeling are hurt all the time and that noone likes him,i can go on and on this is a very very very bad and horrible drug that shouldl be taken off the market! it changed my 6 year old completely! i do not recommend anyone giving this medicine to their child! Im glad that i finally put things together and realized it was this poison that was making my precious 6 year old lose himself! PURE POISON! M 6 4 months
3/12/2009
 1  Sinus infections and asthma aggression, depression, loss of concentration, edginess, stomach-ache. My 6 year old son had been on it since he was 18 months old. He has always been on the verge of either being angry or crying. I always thought it was just him. Until he got so mad he said he was going to kill himself. It caused me to google childhood depression and I found out about this problem with Singulair. I immediately stopped the drug. His pediatician said that there could be no link between the two. Within 2 weeks, his teacher sent home a note saying she didn't know what had changed but that he was a different boy in school. Happy, well-adjusted and making friends. He skips everywhere he goes and is happy, loving and obedient. It makes me so sad that I gave him this drug for 4 1/2 years and didn't even know what I was doing to him. M 6 4 years
7/18/2008
 1  control allergy induced asthma strong stomach pains, heightened anxiety, crying/moodiness, fear of death, increased thirst I wish my doctor and/or the pharmacist discussed these potential side effects first as part of the decision making process. This is a very pricey drug to experiment with. Also, my daughter had a cough before taking this medication and it certainly has not improved since. Will probably stick with Claritin interimly and have made appts with both my daughter's allergist as well as a pediatric pulmonoligist to get additional opinions/recommendations. F 6 7 days
4/9/2009
 1  asthma My daughter started taking this at 3 for bad asthma and allergies all the sudden she began peeing on herself and we took her off it and she stopped we did this two different times and same thing happened. When she was 6 we tried it again she took it a few weeks i noticed she was very moody, she would cry over anything and the crying would last for an hour. She threw a water bottle at me one day, this is NOT like my child at all it also made her where she could not sleep at night. We took her off and she has been fine so it was the singulair that did it. DO NOT GIVE THIS TO YOUR CHILD!! My child has SEVERE asthma and we will find a different medication F 6 1 months
4/14/2009
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 1  My son took it for asthma with alle Horrible night terrors, anxiety, anger, depression, constant crying, fear, upset stomach, loss of appetite, weight loss. This drug is dangerous for our kids! Get it off the market. My child still has lingering issues even after stopping this nightmare drug. M 6 100 days
10
10/15/2019
 1  My 6yo son was taking for mild asthma Hallucinations Night terrors Difficulty paying attention Severe mood swings Crying M 6 1 years
5mg
8/31/2016
Email
 1  Allergies Fear, terrible anxiety, crying, complete mood change for my son. He was the happiest boy and then went to the saddest, most fearful child. WORST DRUG EVER! I would NEVER give this to a child. The doctor took no responsibility for my son't reaction to the medication. M 6 6 weeks
5 mg 1X day
4/8/2016
 1  cold enduced asthma My son would cry and say everyone hated him and he wanted to die. He had singulair befor, but only at a week at a time. So his doctor thought it was not the singulair. This was the 1st time I thought, I shoud do what my doc says and give it to him everyday, so i actuall kept giving my son the meds for another month! After we stopped the singulair and it got out of his system he went back to being his normal self. 6 2 months
5mg
2/4/2015
 5  cold/cough/sneeze Singulair really helps!! F 7 30 days
12/11/2007

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