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  Allergies My daughter's psychiatrist warned me that this medication may cause behavioral problems and I didnt believe her. My daughter had taken it the year prior with no problems. However, this year, my daughter started taking it and after two consecutive weeks she was showing aggressive behavior, stomach pain, anxiety, and sever frustration overall. She gained weight in the two short weeks she took it. I am shocked. I have had my son on this medication for over 6 years without any obvious issues. I am however taking him off after learning of all the problems that have started coming out about this medication. F 8 2 years
5mg 1X day
8/17/2011
 1  Asthma moodswings crying vivid dreams obsessive thoughts complete personality change My son put on this for asthma/allergies cries all the time obsesses on his thoughts vivid dreams and can't explain why he feels this way!! Been off for 4 days some improvent and praying nothing is permanent!! This drug is the devil and the Canadian medical journal does not even list the possible side effects in children M 8 7 days
5mg 1X day
9/26/2011
 1  Asthma Extreme aggression. On behalf of my son. He stopped this drug nearly 2 years ago, but is still very aggressive. Before singulair, there was no aggression at all. He is being checked out for residual damage from singulair. M 8 6 months
5mg 1X day
9/8/2013
 1  For asthma during cold/flu season My son took this for 4 months, until we realized our son had become someone he and I both didn't know. He was moody, angry, had trouble concentrating (which had NEVER been a problem before), felt sad A LOT and didn't know why, had trouble sleeping (had never been a problem before, even as a newborn), nightmares every night...overall very unhappy and sad about being unhappy because he didn't know why he felt the way he did. Cannot believe I didn't figure it out sooner. He stopped taking it over 2 weeks ago....and I am happy to report he is sleeping like a baby, laughing again and being more positive about everything in general! I have my son back! It's unfortunate that more doctors do not mention the possibility of these kinds of negative side effects. They don't really know how a medication might effect our children. Since no one, including myself, is going to allow drug testing on our children, Rx companies only know side effects for adults! M 8 4 months
2/24/2006
 1  Allergies Hallucination, night terror, fear, anxiety, restless, insomnia, etc. My two boys 7 and 8, and myself 38 has been on this drug 6 months and longer,and I NEVER did the connection to this drug till a friend of mine mention her problem with her child and had made the connection to this medication. I found this site and I was very much disturbed reading other parents description on their children. It was like reading my own children's problem. My son after being on this med were telling me he saw an angel at night staring at him by his door,both boys were afraid to go to different areas of the house, mode swings, terrified to go to sleep in fear of the bad dreams, 3-4 hours every night before they both could fall asleep, wetting their beds, could not sit still at dinner etc, legs keep moving and they were very restless, teasing each other all the time about everything, crying very easy, both started talking more about death and had a lot of deep questions about it. They were both getting very sensitive about things and very emotional about things, panic attacks, example: one son was very overwhelmed about how he was going to care for his teddy bears and had a panic attack and hyperventilate about it, you could see the fear in their eyes. Fear about the weather all the time... I can go on and on and on and my two boys had changed so much in just six months. I thought maybe they were just going through a phase. I also have a third boy who is five who didn't have any of this behavior M 8 6 months
1/23/2013
 1  asthma symptoms nightmares (black angel coming), seperation anxiety, lost friends, unable to function in school (missed over 20 days), hungry, depression, it was SO SAD My son became so anxiey ridden he was unable to go to school, he cried and was depressed day and night, tried to hurt himself and he couldn't tell us why? We were in counseling and were about ready to try an antidepressant. The night before I was going to give it I searched this site. Thank the Lord. I stopped the Singular. It was the worst 6 months of his life. After 3 weeks off this horrible drug, he was finally getting better mentally. And his moods/altered mind set lingered for atleast 6 more months. DO NOT GIVE THIS TO YOUR CHILD. And the doctor still wanted to try it again??, I refused. There are other drugs to try. M 8 6 months
5mg 1X day
9/3/2012
Email
 1  Asthma Anxiety, depression and hopelessness, nightmares, hallucinations, headaches, inability to control anger, sore joints M 8 2 years
1 x 5mg D
7/21/2012
Email
 1  allergies/asthma Headaches, severe stomach ache, bloody nose, agressive, emotional, mood swings My 8 year old son has been on this for aprox. 5 weeks, and I now feel so guilty for accusing him of over acting and just wanting attention! This is horrible medication and I can't believe our Dr.'s don't give us these warnings. M 8 5 weeks
9/13/2009
 1  seasonal allergies My second grade son began crying at school and started having seperation anxiety. He began crying at the bus stop in the morning and not wanting to leave us. This was very unlike him, so this site we found made us wonder. His doctor agreed to have him stop Singulair to see if that was the culprit. We are very happy to say within three days off of the Singulair, he is having no more issues with the separation anxiety and no longer crying at school. His allergy syptoms went away, however the singulair was in conjuction with an antibiotic so unsure which cleared the heavy cough. M 8 3 weeks
10/22/2009
 1  asthma/allergies Horrible Mood Swings Although Singular did help with my 8 year old's symptoms the side effects were horrible. She already was having some issues at school with attitude problems, this drug made them much worst. She was sent home almost every day with notes from school for taking back, being disrespectful towards others, stealing, lying, cheating. We had never had this many issues in a span of a week. We stopped giving her the medication and the behaviors have also stopped. F 8 14 days
11/8/2009
 1  asthma/allergies Severe stomach aches, headaches, bloody nose, mood swings, loss of appitite My 8 yr old son has been taking this horrible medication for approx. 4 wks and when he started complaining of the stomach ache and headaches I told him he was over reacting, I feel so guilty for not listening to him. Why don't our Dr.'s tell us about these side affects. M 8 4 weeks
9/13/2009
 1  asthma/allergies My son had been complaining of night mares, very scared at night when left alone in the bedroom to the extent I or my husband will put him to sleep every night, very disturbed sleep,very sensitive,cries for every little thing, lately expressed that he will die first than us his parents,very restless when sitting on a chair he will keep moving his legs or arms and said cant help himself and lots of stomach aches. It just donned on me now when I put everything together what Ive seen in my son and reading all the comments. It just scare me to death that I'm putting my son in this situation. Definitely, I will be stopping this medicine not to let my son take it. I will let his allergist know tomorrow. It is so sad that nothing has been mentioned in the leaflet with regards to this drug side effects. M 8 4 years
5mg 1X day
7/27/2014
 1  Allergies Anger, yelling, frusration, disrespectful communication with family, exhaustion, lack of patience, trantrums, problems listening I originally asked my 7 year old's primary care physician for recommendations for sleep issues with my son. My son has always been a perfectionist and easy to anger, but he has a sensitive heart and always wants to please. I thought his initial problems were due to sleep problems we had seen with his inability to sleep through the night. He had chronic nasal conjestion. He was put on Singular. I was so happy with the results. He no longer had the 24/7 goopy nose. BUT 1 year later, I have an 8 year old that can not control his temper, we feel like we can no longer talk to him withour him going into a trantrum. We have gotten to the point that we feel like we are yelling at him all the time and he responds unreasonably to us or anyone. It was not until my neighbor took her son off singulair and said she notice he calmed done, that I began to tie the Singular to my somes worsening problem. I had just scheduled a meeting with his physician to talk about possible behavioral problems when I googled 'Singulair" side effects and found this page. I am so releived. I hope this will give us back our son and help him to gain control of his emotions. I know he is a smart, caring son in side this poor child. I am taking him off this drug immediately! M 8 1 years
1/2/2010
 1  asthma frustrated, unable to concentrate, teacher and family noticed a definite change in personality and performance, frustration lead to verbally expressing wanting to "kill myself" This is about my very intelligent, sensitive 8 yr old nephew. This scared our whole family. THE BEST WAY TO BRING ATTENTION TO THESE ADVERSE EVENTS IS TO REPORT THEM TO THE DRUG MAKER MERCK AT 800-444-2080 AND THE FDA AT http://www.fda.gov/medwatch. THIS WILL HELP BRING ABOUT AWARENESS AND CHANGE. M 8 3 weeks
12/7/2009
Email
 1  Seasonal allergies Increased weight gain,Moody, aggressive,depressed,etc.... My 8 year old son has been taking Singulair for quite some time now. I never made the connection to all the problems I have been having with him, until a friend of the family sent me this link. I read in horror the stories from other parents, the symptoms that their children were having mirrored that of my son. I was having such a terrible time controlling him, I didn't know what to do. He has been doing horrible in school, and is even worse at home. Without even consulting his Dr. I threw away his prescription of Singulair and Flonase.It has been about a week now, and I am slowly seeing some changes...for the better. His allergies are starting to come back full force, but I have no idea what to put him on now.I have been researching other allergy medicine web sites only to find that the side effects for many others are the same ( Zyrtec, Claritan, Benadryl) as well as many others. I hate to see him suffer but I have no idea what to put him on now. If anyone has any suggestions please M 8
4/24/2008
Email
 1  Allergies Ear Problems Breating Tics, Eye Tics, Problems Focusing in School, hyperactivity, restlessness, agressiveness. My son was prescribed Singulair a few years ago. I wish I had found this site sooner. Over the last two years he has been experiencing body tics, eye tics and now breathing tics to the point where he hyperventilates himself. He has trouble listening and staying on focus in school. Despite his issues he still does well in school but every progress report is about not paying attention in class or going to fast. He also is at times misbehaved and agressive. M 8 2 years
5/8/2008
 1  chronic sinus and ear infections My 8 year old daughter was prescribed singulair 3 different times. The first two times she had severe headaches and we discontinued after two weeks. This last time we took it for 1 and 1/2 months (after the doctor became angry that we had not kept her on it before.)We have now been to the ER for stomach pain and swollen abdomen 4office visits and 6days off school. She is having night terrors, clingy, cries from fear at bedtime will not let me out of her sight,also 1UTI.I have not slept in 3 weeks and the scary part is that it has been 3 weeks since she has had a dose. I found a post saying their son saw red stripes and yellow dots in one eye and it blew me away. That cannot be a coincidence.My child was happy and secure before she took singulair and now she is terrified and tormented daily by thoughts she cannot get out of her head. She says people are trying to kill her when she sleeps. She is now sleep deprived with dark circles under her eyes. I still have not seen information on how long it will take to get out of her system. F 8 45 days
2/2/2009
Email
 1  allergies My daughter is 8. She's normally a very loving, caring, obedient child. For the last 4 weeks she's started lying about things with very elaborate stories for things that wouldn't even get her in trouble. She started getting defiant, and diliberately disobeying right after I told her not do something. Today she got in trouble for taking her school scissors and carving lines into her desk. When asked why she did it, she says she doesn't know. She just remembers picking up the scissors and the next thing she remembers is the teacher yelling at her for carving lines into the desk. I have been trying to think of what could have changed in her life in the last 4 weeks to make sure a completely different child. It finally hit me! She's been taking Singulair for about 5 weeks - that's the only thing that has changed! So Googled the side effects and found this site. I'm calling the dr tomorrow morning first thing. F 8 5 weeks
3/9/2009
Email
 1  allergies Dr. prescribed sigulair for my son after I discountinued Allegra due to horrible mood changes. My son had been off all meds for 3 days and back to normal when we started singulair. He's been on singuair for 5 days and IT'S BACK. The mood swings are horrible..he cries all the time..is very aggressive and angry..this is NOT my son. We will throw this prescription away just like allegra. I feel horrible for not doing the research after the allegra I should have known better. Dr.'s need to be educated on what COULD happen with children like mine!! M 8 5 days
9/24/2007
 1  congestion moderate to severe itching over torso, legs, back and arms. F 8 3 days
3/25/2005

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