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 oldest to youngest.

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  Urticaria Dark circles and became flat,glum and tearful and also very tired. Horrible medication. Seeing the change in my daughter was very upsetting. Medicine now stopped but have be warned that it could take a while to leave her system. F 12 5 days
5mg 1X day
3/18/2016
 4  seasonal asthma/allergies Terrible leg cramps at night. My now 11 year old son was prescribed Singulair by our Allergist for at least 3 years starting from age 3 to 6 with NO problems, except after reading these posts, I now realize he did complain OFTEN of horrible leg cramps at night. We relayed this to the Allergist and was told it wasn't from the Singulair while I believe in my heart it absolutely was. The leg cramps would wake him out of his sleep and we'd have to rub the cramps out in order for him to go back to sleep. WOW! These are truly horror stories and I don't think I will ever put him back on this drug if his asthma flares up. He's been Singulair free for years so I would have to say it did help his Asthma/Allergies. M 11 3 years
4mg 1X day
9/17/2010
 3  Allergies My 11 year old son was prescribed Singulair for seasonal allergies. The medication worked very well and we were happy with it, until my son started waking with violent and disturbing night terrors. He was trembling and drenched with sweat everynight. M 11 6 weeks
8/5/2009
 3  asthma irritibility, depression, extreme sensitivity It helped wonderfully to begin with then gradually the side effects became alot worse until we had to stop taking it. F 11 5 years
2/25/2005
 2  occassional asthma The teachers wanted me to test my child for ADHD b/c he could not sit still, focus or concentrate. He had odd twitches and hand movements during class. He is in the 6th grade and this has never been reported before. He has been on the medicine since the start of school. We are taking him off now but will worry about his health. This is a very powerful drug that works, but at what cost. We were not willing to pay the price. M 11 3 months
10/17/2005
 1  daughter 11 yrs. --asthma/allergies Moodiness, irritability, fatigue, depression, headache, maybe joint pain My daughter, aged 11, took this for allergies and asthma. It worked well in controlling her symptoms. She was a very happy, laid back kid before this but just told me last week that she has been depressed for two years. Recently it has been tough to get her up and going to school where she is an excellent student. Having researched this on sites like this I now see that the drug affected her mood and gave her other symptoms that we explained away as other causes. The symptoms have grown progressively worse over time. I've taken her off Singulair--2 days now--and have begun to see a difference in her mood. Will report back as time goes by. This drug needs to be seriously monitored in children and maybe even banned. I thank God and all the posters here for talking about their experiences as I was considering sending her to a psychologist and was getting to my wits' end. Other sites too show MANY parents noticing the same symptoms. Effectiveness of this drug is not worth the serious side F 11 2 years
12/29/2005
 1  Asthma/Allergies Trouble falling asleep, moodiness, anxiety, trouble with school work My daughter is a straight-A student who has always enjoyed interacting with people. She is always up for anything, is a wonderful helper, and has never had trouble falling asleep. She took this medication for one week and reported trouble sleeping. She then cried 3x this week over nothing. Had a very bad attitude at the beach (I could count on one hand the times she's ever had a bad attitude). And brought home a 60 on a math test! She receives letters from the state senator every year for her outstanding math scores. She is old enough to express that she was feeling weird, and she thought it might be hormones. I thought so too for a second, and then this medication popped into my mind! She has been faithfully taking it every night, and I was so proud of her for remembering to take it. What a shock when I came online to read all the testimonials!!!!!! Do not overlook the fact that this medication could very well be what is causing your child distress! F 11 7 days
5 1X day
9/30/2012
Email
 1  Asthma Son is depressed, suicidal, angry, has body tics, irritable, hypersensitive, has nightmares, he is bouncing off the wall Please help guide me. My Son is was on Adviar 250/50, but I am finding the same problems posted for both Singulair and Advair. We thought he was losing his mind until I found these postings.Who can help? He can't function at school, he is disruptive. he is so moody. Has the drug caused permanent mental damage? He used to be such a good boy and so kind. At 11 he now talks of suicide. Doctors that I talked to after reading other postings don't seem to believe the link. The drug company has never studied a 250/50 dosage effect on children. We stopped the drug last night and he is on 24 hour watch. Will I get my Son Back, we are devastated. If he would have been successful in suicide the other day, I would have never put the link to this drug. How many others are out there not knowing that the drug causing these problems. I beg anyone to help guide us for help? M 11 4 months
1/26/2006
Email
 1  allergies Emotional problems - anger, crying, etc. Have been through all of this for a year, including using zyrtec initially, then trying different prescription meds which all caused severe mood swings and extreme stress in general on our family. The best thing I've found is QBC (Quercetin, Bromelain, and Viramin C Complex) at our local herbal shop. Stops the coughing and has no side effects. We also use natural cough suppressents like Sinupret syrup, which is all natural, including the cherry flavoring. Also, using the Neti pot seems to help as well along with putting vicks on the soles of his feet and wearing socks over them when he sleeps at night. M 11 15 days
1X day
10/14/2010
Email
 1  Asthma I put the pieces together last night. While I was describing my 11 yr old son I was saying things like "driving me crazy", bursts of tears for unknown reason, "I don't care comments about activities that he has always loved, exhaustion, anger, When I ask my son what is going on with him all I get is tears and "I don't knows", I look at him and he just seems so sad and depressed. This is not the kid that I know.. As I started thinking about these behaviors I was trying to figure out how long this is been going on and I realized it has been happening since beginning this medication. As I was reading all these posts I started crying.. Why did I not think of this before. As a mom and a nurse, I should have recognized this. I will be talking to his doctor today and he will not be taking this anymore..crossing my fingers.... M 11 30 days
1X day
8/24/2010
Email
 1  asthma Nightmares, suicide ideation, hallucinations, threat of violence to others, severe headaches, pain in joints, depression, reckless behavior, anger/hostility/aggression, fatigue. Do not take this drug! It is poison. There are other, much safer, alternatives. Contact FDA, contact Merck, contact all your health care providers, contact your school counselors, contact the press, tell everyone you know. This is Merck's biggest money maker. This drug should not be given to children! F 11 24 days
5 mg 1X day
11/27/2011
Email
 1  allergies Severe anxiety, depression, uncontrollable crying, extreme mood change Our 11-year old daughter had been on Singulair for 6 months before we learned of the side effects associated with this drug. She would cry at all times of the day, and never be able to explain to us why she was upset. Extremely outgoing and well-adjusted prior to taking Singulair, she became a shell of her former self. After 5 days off Singulair we noticed a tremendous improvement in her mood and attitude. Wish we had suspected potential problems with this drug earlier; she endured a miserable period of sadness and frustration and so did those around her. F 11 6 months
11/23/2008
 1  asthma After reading all of these ratings I have decided to take my 11 year old son back to the doctor today! We have been on Singulair for about 4 years and I have finally realized this medicine is making him sick! We have anxiety; stomach pain and headaches. My son never had any of these problems until being on this rx. It is awful. The awful part is it took me 3 years to realize this is what is doing it. Please be sure you talk to you doctor before giving this medication to a young child. I have the school nurse call me regularly about him having a stomach/headache and he has missed 15 days of school this year. We have had several stomach test done due to unexplained nauseau and heartburn. WELL now we know and will quickly plan to discontinue this horrible medication. M 11 4 years
1/25/2008
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
 1  asthma allerigies depression,anxiety,sleep disorder,school phobia,ocd while my son was on this drug,my family and my child went through hell,this drug is poison for some.It is so important that anyone who has experianced the rath of this drug make a report to the fda,this is the only way someone may listen.The doctors sure do not seem to recognise the havoc this drug causes,if they did they would not brush off us parents,send our children to therapy and give more drugs to combat the side effects of this benign pretty pink pill that is killing children M 11 3.5 days
1/17/2010
 1  cough induced asthma nightmares, headaches, acute anxiety, body aches, vision abnormalities, lack of focus, extreme fatigue, mood swings, etc... etc... Our daughter was prescribed this poison by the ped. physician when she was 4 yrs old for cough induced asthma. For the 2 1/2 years she was taking singulair we had every test imaginable done on her to diagnose the complete deterioration of her mental and physical health. The physician never once recommended discontinuing this drug. We decided ourselves to take her off it and within 2 weeks things began to turnaround. It took a good year and a half for 95% of the symptoms to disappear. She is 11 now and there are still some lingering effects of this poison, probably due to the length of time she was on the drug. F 11 2.5 years
11/21/2009
 1  11 yr old for dust mite allergies Poor performance at school, tearful episodes, nightmares about himself and family dying. Wanting to quit school. Poor self esteem Ethan 11 yr. old had been taking Singulair for dust mite allergies since he was 6. Has always done poor to fair at school. Very emotional. Did not associate this with Singulair, until he began talking about death. Researched on the computer about childhood depression, found link to singulair. Described him perfectly. Although I feel like a terrible mother, I realize better late than never. I read the package insert when he was 6, but these side effects were not listed then. Since he has been off the Singulair 2 1/2 weeks now, he has been less tearful and when he does cry, it is not an outburst, hysterical cry. He has a better attitude about school; although, because of the damage already done, he will probably never like school. He is just a more rational kid. So far his allergies are not bad. He is on a nasal spray and goes for a check up in a week. I'm not mad at his doctor, I guess. She probably didn't know about the new side effects, either. I'm more mad at myself and my M 11 5 years
3/15/2009
 1  asthma my son took singulair for two weeks after not taking it most of the summer in the past few days he has become worried easily,clingy,easily upset. he has irregular heartbeat on/off and since thursday may be having vision hallucinations which is very scary to him. he is seeing black images now some white,his eye ball has alot of red lines and i'm not sure but it might have been yellow. i have been giving him eye drops for the past day cause we thought he might have gotten something in his eye. it is sometimes itchy and hurts alittle after the drops.he was feeling weak/funny, headache and stomach aches. as i reread the side affects i see over the years it could have been singulair all a long. fevers only that last over night, nightmares, stomach aches, headaches. since age 4 he has had Pneumonia 5 times. until this past february he has been seeing the same doctor since birth. we will talk to the new doctor in two weeks. he has been taking singular since age 3 and is now 11 1/2 years old. the past doctor would not let us stop it but i have stopped in on/off until he gets the signs of getting a cold. his asthma seens to be weather related/ high temperature/mold. today i talked to the pharmacy and they said the image could be hallucinations but he has not had any one have any problems with singulair. that we could try stopping it let it get out of his system and just start back with half a pill. we decided to stop and seek info from the new doctor. M 11 8 years
8/23/2008
Email
 1  allergies My son developed uncontrollable anxiety, crying, irrational fears and thoughts, body pains, muscle twitches. I feel horrible that I allowed him to be put on this medication. I will NEVER trust big pharma. They know M 11 3 weeks
5
1/4/2016
 1  Sinus/Allergies My 11 year old son taking for 3 weeks. Last night in ER for severe body tremor and double vision. This is the ONLY medication he is on. Dr. said this drug may cause these side effects. I would use extreme caution using this drug in children. Informed prescribing physician and will insist on letting Merck know this happened. This drug should be used with EXTREME CAUTION. Never again for my son. Merck needs to be upfront about these potential side effects. I am hearing this more and more with this drug. M 11 3 weeks
5mg 1X day
12/1/2015

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