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   Mood swings, anger issues, hyper behavior, not listening, excessive crying. My 6 year old started taking this to help with a cough he has as a result of chronic pneumonia. Within a couple of days we noticed extreme mood swings. Over the next week or so we watched our even keeled child lose his temper and cry. He wasn't listening and seemed to be bouncing off the walls. He was miserable, not worth the side effects. F 6 2 weeks
4 mg 1X day
5/6/2011
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 1  Son taking for allergy management Just now taking my 6 year old off of Singulair, despite Pediatrician recommending continued use. Within the last month, he has become extremely agitated, grumpy, weepy, miserable. Complaining of stomach aches, very tired, not a happy camper. I strongly believe it's the singulair and will not put him or my other children on this medicine again. Seemed to work fine for the first year of use. Did seem to help with asthma/allergies for a short time, then the effect seemed to lessen and the side effects worsened. M 6 2 years
4 mg 1X day
5/11/2011
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 1  Son was taking for allergies My 5 year old son had severe allergies and was prescribed Singulair. I asked the doc about side effects and she said there were none that she knew of. I believed her and didn't do my own research. He has had unexplainable mood swings, happy one minute and hitting himself in the face the next. Saying he doesn't like himself. Nightmares. complains of stomach pain and headaches. I thought he was just having behavior problems until I got curious and read the ratings about this drug. I'm shocked that this is prescribed to children! I will never give him this drug again or trust his doc! M 6 1 years
4mg 1X day
10/4/2011
 1  Allergies and acute asthma MY daughter started taking this drug for her allergies.. it worked, her runny nose went away and she had a much easier time sleeping and breathing at night... after just a few days she hated wearing anything.. everything felt funny on her, she would pull on her clothes constantly.. her favorite shirt became her worst nightmare...she has always been the sweetest child and I can understand usual hate for clothes but something wasn't right.. she also started to get easily angered and would throw horrible tantrums and screaming and crying. she was not herself at all.. I thought she was going crazy until I figured out when all this behavior started.. she has been off it two days and I finally have my daughter back to normal.. Parents be aware of the serious side effects!! F 6 2 months
1X day
2/22/2011
 1  Constant runny nose & cough moodiness, irratability, crying, sad. My extremely happy 6 year old daughter started takeing Singulair 20 days ago....within approx 3-4 days I started noticing slight changes in her personality. Figuring everybody has a bad day I didn't think anything of it but they became more often and more out of charachter. I started putting 2+2 together and kept coming back to when she started taking Singular. We just got back from the pediatrician and come to find out....I'm not losing my mind, nor is my daughter. He said to stop "cold turkey" and that he had had other patients who had similar experiances....like 1 in 20. The benifits of less of a runny nose were not worth it. I thank God that I caught on to what was causing the issues and I can't wait to get "my" daughter back. DO NOT LET YOUR CHILD TAKE SINGULAIR!! F 6 20 days
1X day
1/21/2011
 1  Seasonal Allergies My 6 year old daughter took Singulair for seasonal allergies. It helped. However, she had bouts of crying and seemed depressed. She also seemed obsessed with "gloomy" thoughts about death and dying. She also complained about "stomacheaches" and seemed to lose interest in school. Additionally, she seemed to "freak herself out" by looking over her shoulder in the evenings as if something or someone were scaring her. Overall, this medication helped with seasonal allergies. I assume it works for asthma as well. After reading the posts on this website, I stopped the medication. I feel guilty for not knowing about the other "severe" side effects this medication can cause. However, there are no warnings given when this drug is prescribed. The makers of this medication should be strung up by their "you know whats". F 6 30 days
10/26/2006
 1  Allergies Severe mood changes in school. Being a great student to being sent to the office frequently for his bad behavior. My 6 year old son took singulair and advair together for two months from October to December 9; because of his seasonal allergies he got sick almost once a month so his doctor recommended both medications. On November 7 the nurse called me from school that my son had peed on his pants. My son had never done this in school, but he said that he didn't make it. So I disregarded the incident. Then I got more calls from the nurse for the same reason and when I'll go to school to drop his clothes he will be crying that he missed me a lot. He got very emotional in school, all of a sudden he will start crying for no reason or scream in the middle of class. I didn't know what was going on. I had several conferences with his teacher were she said that he stop doing his work in class. I couldn't understand what was going on. I took him to his doctor and she said that he seem fine that maybe he was just going thru one of those periods were kids just get tired of school and work. We went thru this for about a month I got very frustrated. On December 9, I took him to school and came home crying and praying to God to help me find an answer. I went to the kitchen and saw his medication google it and found this website and many more forums describing the same symptoms my son was going thru. That day I took him off the medicine and call his doctor. It took 5 weeks to see a great change in my sons school grades. Thanks to God and these forums my son was back. M 6 2 months
5mg 1X day
2/16/2012
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 1  Asthma My young daughter tried it, but it made her mood swings horrible and made her just crazy. Since then, we took her off it and tell all doctors, she's allergic to her. Too many horrible side affects. Should be taken off market for children. F 6 5 days
5mg 1X day
3/3/2012
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 1  asthma irritability, aggressive, crying often my daughter who is usually very sweet, and even tempered became very aggressive and irritable while taking this medication. F 6 6 weeks
5 mg 1X day
9/20/2012
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 1  allergy induced asthma Very emotional in the beginning with crying spells after change in dosage to 4mg. Difference in attitude, mood, depressed. Anger issues and outburst with family. Difficulty sleeping. Afraid to go to sleep at night. Anxiety levels very high. This medication controlled asthma. HOWEVER it will cause horrible side effects in your child. Do not use this medication. I wish that I had realized it was the medication causing my sons problems so much sooner. THROW IT IN THE GARBAGE if you really want to help your child. M 6 2 years
4mg 1X day
8/18/2012
 1  asthma Normally a happy child. After taken Singular for 3 days, he was depress, violent, itchy throat. Would go in another room and cry instead being with the family. M 6 3 days
5mg
10/1/2012
 1  Asthma and allergies anger, aggressiveness, inability to concentrate, inability to sit still, cannot hold hands still when in class and easily distracted, cannot sleep, easily upset, temper tantrums disobeying, not as happy as normal, not following directions my six year old was placed on Singulair in place of Simbicort or proventil along with Loratadine to help with his Asthma and Allergies because he kept have bouts with Bronchitis and Upper Respiratory Infections about 2 weeks every month. But after about 2 weeks of Singulair, Daniel started becoming aggressive and a bully. He did not want to be away from me, but he was extremely rude. He has also gained about 15 pounds while on Singulair. I have taken him off Singulair and I am going to call his doctor to have him placed on another medication for his Asthma and Allergies. He was doing fine on Simbicort and Claratin, but I realize that they do not want children on steriods for long periods of time. M 6 30 days
5 mg 1X day
8/27/2012
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 1  asthma Bed wetting, nightmares, mood swings, anger outburst, very sensitive and would cry easily. My son was prescribed this medication in attempt to help his asthma. He became a different person. After reading the side effects, I decided to stop this medication. I am thankful he was only on it for 3 months. I wish we never started it. M 6 3 months
1X day
4/13/2013
 1  childhood asthma My son took singulair once a day and also receives injections to prevent allergy related asthma attacks. Over a year after taking this medicine my first grader told me that he was sad sometimes and he didn't know why. He said that he had been feeling sad off and on since kindergarten--this is when he had his first attack and started medication. Also my son would wake up crying at night or even whimper in his sleep but I thought that it was just nightmares. After stopping the singular two weeks ago, my son immediately felt better and stopped crying at night. What makes these side effects so terrifying is that it is happening in young children who sometimes have difficulty expressing their feelings or even identifying their emotions. It breaks my heart that my son suffered with bouts of sadness for over a year without me knowing it. If your child must be on singular please be sure to communicate with them to make sure that they are not suffering from short periods of depression. Be very cautious. I was unable to find any information on the drug company's website regarding depression. My son's specialist said that she had not heard of this and also that she was unaware of any medical studies regarding night crying and depression in children while on this drug. This website was my only resource and it has helped my son's quality of life. M 6 1.5 years
3/8/2007
 1  mild asthma / allergies irritability, anxiety, poor appetite, muscle soreness, nightmares, hallucinations, quick to tears, restlessness, dilated pupils, bruising, behavior problems in school BEWARE of this drug in children. Symptoms of side effects are not always obvious. This drug caused harm to my child physically and emotionally for 3 years. Merck should be forced to make parents and physicians more aware of the side effects and the rate of occurence. After discontinuation, it took 2 weeks to see the dramatic improvements. M 6 3 years
4/21/2007
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 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  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  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  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

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