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
 
 4  for asthma insomnia. This is a real problem. Also 20# weight gain. I have been the same weight for the last 45 yrs (except when pregnant), but now gained weight even though I am eating less and excersize more. Fat around belly. It does help my asthma--- thus my rating. I would like to know if any adult female has experienced bone loss since taking Singulair? F 65 3 days
12/18/2007
 5  cold/cough/sneeze Singulair really helps!! F 7 30 days
12/11/2007
 1  seasonal allergy my son took his life after 17 days on this drug he went into a rapid depression and terrible anxiety attacks.The drug caused all of these side effects and none were listed on the pharmacy sheet.This drug should not be given to children or adolescent patients it is dangerous and needs to have the proper warnings! This drug is no good and caused my sons death it is like giving poison or a psychological altering drug to a person M 15 17 days
12/5/2007
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 2  asthma Our 10 year old has unexplained sadness, anxiety, mood swings, intense headaches, backache, inability to concentrate, chronic sinus infections and a constant feeling of ill health. We've been distraught over our very intelligent son's inability to focus in school and complete his assignments. This has caused a great deal of anxiety and sadness in our child. We've had him tested for inattentive ADD recently and are awaiting results. Today the school nurse called (again!) to tell me our son had a headache and basically told me he was just making it up to get out of doing his work. Since this is the first time he's ever been in the nurses office, I find it quite curious she has so quickly assessed that he is "faking" it. However, he has missed 13 days of school and it is only early December so I'm sure she thinks I am a parent who lets her child manipulate her into staying home. NOT THE CASE!! Today we found post after post from Singulair users and it is all making sense! He feels lousy because he is being poisoned by a drug the FDA should be pulling from the market!! It worked great in controlling his asthma but has caused him to suffer for two y F 37 2 years
12/3/2007
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 5  Asthma attack I'm guessing that combining it with reactine caused my marks to drop in school(85%-72%) but thats just a guess. It works great though( I'm a teen) M 18 2 years
12/2/2007
 1  Bronchitis/Temporary Asthma Caused tremendous anxiety. I had frequent panic attacks that went on for hours. Also caused severe depression. I did not notice any difference in my ability to breath, if anything, due to the anxiety my breathing was worse. Bad show. Works for some people, but definitely not for me... M 23 3 days
12/2/2007
 1  ASTHMA BAD MOOD SWINGS, WOULDN'T SLEEP, ALWAYS HUNGRY, BAD DEPRESSION WORKED GREAT FOR ASTHMA SYMPTONS BUT TERRIBLE SIDE EFFECTS I WILL NEVER PUT MY CHILD ON THIS AGAIN F 7 6 months
12/2/2007
 4  asthma, severe cough, runny nose My 6 yr.old daughter has been on this med.(child dose) for less than 30 days. Singulair has been terrific for her asthma and cough. She no longer coughs at night or wakes in the morning coughing up mucus to the point of vomiting. However, after reading this web site I might have found the answers to some new troubles. A couple of weeks ago she started having to use the bathroom constantly. A few nights ago she started waking every hour having to use the bathroom. This is not her. She has never had an accident nor woke at night to go to the bathroom. She has gained 3 pounds in 4 weeks without eating much at all. She is now having accidents at home and school and is up all night going to the bathroom. I took her to the doctor and she said probably a urinary infection-no worries. Nothing about side effects! Is anybody else seeing any increased urination with their child? The medicine works great for her asthma and cough but the side effects are to great to keep her on it. I can't have her up all night going 'potty' and having acidents at school-she was so embarrased. I am going to take her off it tonight and hopefully see a difference within a night or two. The weight gain and bathroom issue are to much for her (and me) to deal with for the sake of no more coughing and runny nose. By the way, the label on my daughters bottle states that it is for children ages 2-14. I rated the medicine a 4 because for the actual asthma and cough it works great but it has to many side effects for children. This medicine needs to be re-evaluated for kids. If anybody else has seen the same side effects in their child please let me know, thanks! F 6 30 days
11/30/2007
 3  asthma My son has been on this medication for 2 months after being diagnosed with asthma. All of the sudden he has been waking up in the middle of the night screaming and crying terrified. He doesn't know where he is at or who I am. I ask him what is wrong and he talks about seeing scary stuff and is even scared of me. I started to suspect taking singulair might be causing it. The few days he has stopped taking it, the night terrors go away and he sleeps great again. He has also been sleepier in the mornings and not paying attention at school. I was amazed at all the other comments on here about kids having bizarre dreams and night terrors. I took my son completely off of it since reading all of the other parents stories on this site. Thank you!!! I think that singulair is a good medicine for controlling asthma. I myself have had asthma since I was a kid and have been able to control it before there was singulair. The night terrors are not an acceptable side effect for me as mom to watch my child have. I will have to discuss another alternative with our doctor. M 5 2 months
11/29/2007
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 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
 2  asthma 3.5 yr old boy, consistent sleep interruption and disruption, bad dreams, "new" fears during waking hours, complaints of stomach aches and leg pain, increased aggression and agitation, increase in rate of melt downs; This medication helped our son's physical health - asthma - but deteriorated his emotional health. His altered personality (see side effects experienced) has brought sadness to both him and our entire family. A very upsetting situation. M 3 5 days
11/21/2007
 4  allergies and asthma Recently went through Anaphylatic shock and almost died so have gone through the allergy testing and found myself allegeric to trees, grasses, weeds, mold, farm pollens, dust and dust mites and cats. Allergist started me on Singulair on Oct. 30. It is now Nov. 17th. Take Zyrtec also, and had Nasonex to use. Discontinued the Nasonex when I read another website devoted to the side effects it can cause with some that never go away. I suffered two or three bouts of severe sinus infection a year after a cold and every cold went down into my chest. The constant drainage (how does the human body produce so much snot?)and sinus pressure is gone. Feel like new person but as of Nov. 12th, have abdominal pain and diarrhea. VERY unlike me. Never know when a bout of cramping will result in a rush to find a bathroom. My intestines are rolling and boiling. Seems like anything I eat goes to liquid right away. Since I am past the worst of my allergy season, will stop taking Singulair and watch As with anything, be aware and extremely cautious. We know our bodies best and we know our children so when we see behaviors changing for the worst, look at the outside source, aka new meds. M 56 19 days
11/17/2007
 1  Sleep Apnea Our son was on Singulair for 3 weeks and we noticed a drastic change in his personality during the 3rd week. He became extremely moody, crying whenever he did not get what he wanted in that particular moment, and violent. He also had nightmares at night. We stopped the medication and his behavior returned to normal. M 3.5 3 weeks
11/16/2007
 2  Allergies/possible Asthma Severe Rash outbreak, and excessive weight gain, retention of water, and lack of motivation, with slight aggression, skin tone pale I am distrubed that children a being prescriped this medication to help them adapt to envirnmental changes, or "possible" asthma. The side effects to this medication are not worth the gain. My son is starting to come back to his normal self, he gained over 25 pounds, but I am still looking at alternatives to help him get throught his outdoor allergies. M 6 15 months
11/14/2007
 3  asthma/allergies extreme constipation, serious dry mouth, could not sleep more than 15 minutes at a time without drinking water. The first two or three days on singulair I thought it was a wonder drug. Suddenly I realized that I was hardly sleeping and when I did sleep it was for short times. The constipation kept me feeling full and uncomfortable. I had leg cramps at night. I stopped taking it about a week ago and I am my normal self again. I sometimes wonder if a smaller dose (i.e. 5mg. a day) would be better for me. But I am not sure that I am willing to try it. F 73 2 weeks
11/11/2007
 1  year-round allergies HORRIBLE depression, mental fog, irritability, slurred speech, short term memory loss, difficulty putting together sentences Thank you everyone for adding your comments. I've been a programmer for 24 years. Today, for the first time, I felt like I wanted to quit. My wife thought that was very odd, so I finally decided to google the new medications I am taking. I've been on Claritin-D for 13 years with little side effects. It finally stopped being very helpful, so my dr. added Singulair and Flonase. I've taken Flonase before with Claritin-D with again little side effects. I added Singulair about 3 weeks ago and BAM! Instant depression and the other things I listed in side effects. These have only gotten worse, so I am dumping Singulair as of tonight! M 40 3 weeks
11/7/2007
 2  severe rhinitis, post nasal drip RAPID WEIGHT GAIN, bloated feeling, lethargy, loss of mental clarity, mild or occasionally moderate depression and anxiety. Singulair was prescribed, along with Nassonex (mometasone) to treat severe chronic rhinitis, as an alternative to continual use of pseudephedrine. Things went OK for the first three months, after which I experienced an increase in lethargy, moodiness/mild depression, loss of concentration, moderate anxiety, muscular weakness, and weight gain. I did not notice much relief for the rhinitis (an issue because I cannot mouth-breathe, and end up hypoxic) - in fact, I had to go back to decongestant nasal sprays, most especially at night, and gained more relief from regular twice-daily use of a NeilMed nasal rinse than from SIngulair. More recently, I've had a constant feeling of being bloated, especially in the hands and feet, and mental "fuzziness" similar to that which many people experience with antihistamines. All of these have been increasing. The weight gain was 12 pounds in 4 months. -- Other medications (used for a very long time with excellent result and no side effe M 52 8 months
11/3/2007
 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
 4  asthma, allergies Potentially, weight gain and hair loss I read all the comments on this site and can't believe all of the small children who are taking this med. READ THE LABEL! This is not recommended for children.....but I digress. I'm researching this med as an adult and am reading all of these horror stories but can only find negative comments on side effects with children. I am 35 and have taken this med for approx. 3 months. I am wondering if this nagging itch in the back of my throat (especially at night) and hair loss are symptoms that have been experienced by ADULTS. People, doctors are people too! They are humans. You are capable of making your own decisions and doing your own research before giving your helpless child a medication. They even make it easy for you! They put it right in the side effects paperwork they give you when prescribed! I digress again. I like this medicine. It has helped the symptoms I took it for but have seen one or two comments on hair loss and weight gain on this drug. I'm looking for any ot F 35 3 months
11/2/2007
 5  asthma none! Been asthmatic for approx 37 years! have taken all manner of inhalers, inhaled steriods as well as steriods in tablet form With various amounts of sucess. I take antibiotics approx 7 to 8 times a year due to chest infections, normally triggered by some kind of allergic reaction A new locum at my surgery reccomended this drug and within three days I felt better then I have done for approx 10 years. I enjoy going out now for long brisk walks and hill walking I am out of pain (I suffered pain in the back chest and ribs when feeling run down) I wish I had found this years ago If hyperactivity is one of the side effects then Im looking forward to it!. from looking at the other comments maybe it is better for adults?? F 39 2 weeks
10/27/2007
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