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  Asthma due to allergies Moody, depressed, anxiety. Couldn't focus. LEG CRAMPS! I thought I was going insane. Extremely weird dreams. Short of breath. I found this site to see if the leg cramps were a side effect and discovered that Singular was probably the reason for everything else too! My 11 year old son was on it also, and he was having bad dreams and acting very excitable all the time. It helped my asthma really well week until week 8 and I started feel short of breath. F 37 60 days
5/2/2007
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 5  Asthma none I have been a severe asthmatic for my entire life. I was diagnosed at 6 weeks of age. I struggled for my entire life to get my asthma under control. It is only now (and after almost seven years of using these meds) that I have been able to participate in regular activities that for so long I was unable to do. I love this drug!!! F 23 6.5 years
5/1/2007
 5  Asthma Some headaches, This medicine has allowed me to have a normal life, I am no longer living on less then %50 of my lung capacity (which I did for over a year). This product may not work for everyone, but is certainly worked for me and I think it is worth a try for others who have asthma. The small side effects are worth the overall result. I found that there were many other factors that contributed to my asthma including parts of my diet that I am alergic to (wheat, rice, and milk), I found that once I removed these from my diet the side effects went away. F 22 7 years
5/1/2007
 3  Asthma & Nasal Allergies My 13 yr old son has been taking Singulair (10 mg) for several years. I am looking for the reason that he is beginning to fail in school. Not finish assignments, not turn work in, etc. Is this the medicine or just adolesence. The medicine has seemed to keep in asthma & allergy symptoms in check, although he also takes singulair. After reading the information on this site, I am going to use parental perogative and take him off of it to see if there is any improvement. We will see what happens. M 13 3 years
5/1/2007
 3  allergies My daughter has been on this for several years. While it has helped her allergies she complains of leg aches, stomach aches, is very emotional, does not sleep at night and has nightmares. I thought it was just the terrible two's going into the four's but now am going to take her off this medicine and see what happens. F 4 2 years
4/30/2007
 2  allergies/asthmatic bronchitis sensitivity, mood swings My son has been taking this for about 6 months now and is very moody. He cries over everything. I am going to stop this med. and see what happens. M 1 6 months
4/30/2007
 1  Allergies My son was 3,5 yrs old when he was prescribed with the medicine. He started having bad nightmares, woudl scream in the midle of the night with his eyes closed and when i went ot his room and he heard me, he would go back to sleep but this would keep on going. Also, extreme sensitiviy, lack of concentration, irritability. I would rather have him have minor symptoms of allergies and manage those rather than have him troubled with the side effects M 4 40 days
4/30/2007
 1  Asthma psychotic thoughts, seeing and hearing things not there. Severely depressed, facial ticks, crying for long periods of time and not know why, worried all the time, severe nightmares, unable to distinguish between imagined thoughts and real events, they just started to blur together, paranoid (thinking people were talking about him and looking at him, even following him. The only thing I can implore is to any parent who cares about their child - Never give this medicine to your son or daughter. It has taken away almost 2 years of our lives from us. I am having a hard time forgiving myself for not figuring it out sooner. I have taken my poor son off of this medicine about 4 wks ago and he is about 95% better. Shame on you Merck! I filed a complaint with Merck and the FDA. This should be taken off the market yesterday. M 8 1.75 years
4/24/2007
 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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 2  allergies, mild asthma can't fall/stay asleep easily then when I do bad dreams, tiredness, irritability, memory loss. sore muscles, anxiety lots of it! There needs to be more attention to who is getting this drug for some this may be a last resort and that mey be fine but with the side effects, that no one will achknowledge are real, this is not worth it for mild or moderate allergies and/asthma there has got to be a better way. F 46 36 days
4/20/2007
 1  asthma/allergies My 4 yr. old son began having huge meltdowns which would last for and hour or so. He is usually very easy going, but was now having rages in which he would cry, scream, bite, kick, hit, and require someone to hold him to keep him from doing these things. Then, afterwards he would say he didn't know why he got so upset. I knew something had changed because he had never had meltdowns like this before. I realized that they started about 3days after he began taking Singulair. We stopped the medication about 3 days ago and he is gradually getting back to his normal personality. I think this medication should be researched further in children because of all of the negative behavior side effects. M 4 7 days
4/20/2007
 5  Chronic sinusitis; allergies None Perhaps this isn't a medication for kids, but it has worked great for me (54 y/o M). Additionally, I have had difficulty sleeping in the past and now sleep much better (perhaps due to clearer nasal passages and easier breathing). M 2 months
4/19/2007
 1  Asthma & Allergies Considerable weight gain in just two weeks (7 pounds, I exercise and work out) Virtually no improvement in allergies or asthma F 34 15 days
4/18/2007
 3  allergies/asthma (due 2 indoor mold WEIGHT GAIN, CONSTANT HUNGER, FATIGUE, TIREDNESS, WEAKNESS, INABILITY TO CONCENTRATE, LACK OF MOTIVATION I am very careful about what I eat - healthy diet - gain weight regardless and never feel full. I am tired 24/7 even though I get a full 8 hrs of sleep per night. I have trouble waking in the mornings and usually don't feel like doing much of anything. I go to work and sometimes struggle with simple instructions or can't carry on conversations intelligently due to lack of concentration. I'm just too tired and hungry most of the time to focus on anything else. I've tried working out to boost my energy levels, but most days I can't work up enough pre-existing energy to do so. I tried vitamins, but they bothered my stomach along with the singulair. I have seen amazing improvement in my allergy symptoms and have not had to use my inhaler for asthma in months. Before Singulair, I was prone to catching colds/flus frequently but have not been sick much while on this med. However, I am too young too feel so weak, and can't live with the weight gain (about 15 lbs.). Therefore, I am going off the medicine. I recommend this prescription to allergy/asthma sufferers without the side effects. F 25 6 months
4/10/2007
 2  Allergies Hot flashes. Tingling sensation in my feet, arms and right side of face. Tightness of breath. Diziness and sharp headaches. Unable to focus. Anxious and just the general feeling that I was not myself. M 32 4 months
4/10/2007
 1  Asthma & Allergies Hallucinations (visualized things like skeletons coming out of the walls, etc., & voices), Morbid or "Bad Thoughts" OCD (obsessive compulsive disorder), very violent thoughts of hurting people or animals, facial ticks, frequent urination, bad dreams, severe headaches, depression, aggression, deep sadness for NO reason, constant confessions, worrying about things that hadn't happened, thoughts of death, became antisocial (couldn't make friends anymore)..... you name it! THIS IS POISON! BEWARE! My 9 yr. old son was diagnosed with Morbid OCD after he had been taking Singulair for a short time. It started off slowly then got worse and worse as time went on. I took him to specialists, had every test imaginable done on him. I was told he had a severe thought disorder. The doctors tried to put him on antipsychotics, antidepressants, etc. I refused. I REFUSED to believe that my emotionally healthy, sweet and loving son could "develop" this disorder for no reason and so quickly. Unfortunately for my sweet boy, he lived through this nightmare for almost 2 years. It has scarred him so emotionally there are no words. I had taken him off the Singulair a few months ago and his OCD had started to go away then it was just gone. (I still didn't associate it with his OCD) About a month ago his asthma and allergies got bad again and his doctor told me I really needed to put him back on Singular. I did. I noticed signs of his OCD within a couple/few days and b M 9 2 years
4/10/2007
 1  year round allergies mood swings, nightmares, tightness in chest, dizzy, weight gain, can not focus, severe depression. Drug works great for allergies - but not worth the side effects. There are other drugs that work as well that will not wreck your life. Working now on improving immune system with diet and natural supplements and natural treatments for the allergies. F 47 2 months
4/8/2007
 4  indoor allergies AND asthma audio/visual hallucinations I had been taking Singulair to great effect for a few years when, quite suddenly, I began to get the most bizarre audio and visual hallucinations. As I began to fall asleep, I could hear people scream and yelling things at me, sometimes just random snippets from conversations that were completely in my head (I lived by myself.) After these began to occur more frequently, the hallucinations got worse, and I began to see strange things when I so much as blinked. I thought it was due to a particularly bad sinus/upper respiratory infection, and tried to not worry about it until I was looking over the patient information sheet and noticed, for the first time, the instruction to patients that should they have the extremely rare, but serious, side effect of hallucinations, to call their doctor immediately. I was away from my doctor at home, but called him anyway, and he literally had me switch drugs that very same afternoon. Scary stuff. F 23 2.5 years
4/7/2007
 1  asthma What started off as a difficult 4 year old turned into depression, mood swings, extreme weepiness, suicidal thoughts as he got older. Thought my child had severe emotional issues and was looking into medicating those when I began to suspect the Singulair. Took him off the Singulair and all those went away. Hate that he had 3 horrible years of his life that I just thought "he would outgrow." Helped asthma a lot but side effects were severe. F 35 3 years
4/7/2007
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 1  seasonal allergies High fever,watery stools, agressive behavior, nightmares, joint pain, anxiety, moodiness The first week after we started my son, (3.5 years) on it, He had an extremely high fever (104.7) for a week. We thought he may have been coming down with a cold/flu. He also had complaints of not being able to walk because his legs hurt. He stopped wanting to go to school, and started to hit his sister, then he would cry about it because he didn't know why he had hit her. He wanted nothing to do with me(his mom) He refused to even hug me. When he would hug me, he would growl and be so rough with me. But he was fine with his dad most the time. We never put these things together, we just thought it was his terrible 3's .I was feeling myself begining to lose patience with him. He was acting out and never listening. Before the singulair he would sit and play for hours , or "read" books all by himself for quite a long time, but once he started taking singulair, it was black and white. I ran out of his singulair for almost a week, then started him on it again. The first nite, h F 3.5 38 days
4/5/2007

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