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
 
 3  Allergy related ashtma My mouth has been getting dry, and vaginal dryness F 41 30 days
1X day
9/25/2021
 2  for adult asthma Within days of starting Singulair granules: full-body edema (swelling), feverish for 18 hrs after taking med, sweating in sleep, weird dreams, poor sleep, legs so swollen they would ache, gained 1 lb week of fluid per week, asthma worse due to boggy tissues, muscle aches & stiffness. In the 2-3 days after stopping, all side effects are resolving and I have been peeing out this extra fluid endlessly. F 41 21 days
8 mg 1X day
5/22/2010
 2  Allergies Migraines, nightmares, weightgain, constipation, irritability/hostility. Not worth it. It did nothing for my severe allergies to dogs/cats/dustmites - taken during immunotherapy. F 41 1 months
11/24/2006
Email
 2  recurring bronchitis, allergies heavy quick heart beat,severe headache, nausea, dizziness, trouble sleeping. From the moment I took this drug I felt weird.Zyrtec was not helping anymore and I was getting chronic bronchitis from allergies. Singulair has helped my breathing and inflammation so much,I haven't had to do breathing treatments much since starting it.The thing is though I have to go off it because the side effects are too tough to handle.Anyone know of a medication that works just as well without the side effects? F 41 8 days
4/27/2008
 2  Allergies Did give me some relief with the internal swelling in my head and chest. Until the muscular cramping started. M 41 5 days
30 1X day
12/3/2013
 2  allergic rhinitis I started my 4 yrs old daughter on singulair 4 days ago. Since the first day she has shown extreme mood swings, leg pain and face rash. She also refuses to eat because she says all the food taste horrible. She used to be very happy and singing child but, with the medication she is shouting and crying most of the time. I stopped the medication for one day to corroborate, and she had an excellent day (singing and playing) but the runny nose returned. I gave the medication last night again and today I have an unhappy child again. No more singulair for her F 41 5 days
6/24/2009
 1  Asthma and allergies Gross edema (swelling) pain, Uncoordination and tremors. Mainly swelling. Still having it 5 days after stopping. It's significant though slightly better today (I've been taking Lasix to get rid of the swelling). I had a major work project (show) during this and I was swollen everywhere. Only had swelling twice in my life, both from allergic reactions. Three drs said this is not an allergic reaction but a side effect F 41 4 days
Once a day
5/1/2014
Email
 1  Allergic asthma I had fatigue; I took medication at night, but grogginess carries over into next day. Just wanted to sleep all day. Discontinued on 5th day. F 41 5 days
10 mg 1X day
4/29/2010
 1  asthma panic attacks, depression, irrational and extreme anger, mood swings, increased bleeding during periods, tremors, derealization, anxiety I wouldn't recommend this drug to anyone and it should be taken off the market, or Dr's should be strongly cautioned to try everything else first before prescribing it. F 41 35 days
10mg 1X day
1/5/2011
 1  Asmtha Anxiety, night terrors, depression, isolation Side effects worsened over time. I would never let a child take this medication! F 41 4 years
5 1X day
3/14/2011
 1  Seasonal allergies Anxiety, Depression, suicidal thoughts, poor concentration, personality change. I've never been depressed or had any kind of mental problems in my life. This past month has been strange and confusing. I'm very glad I put two and two together and realized it's this stupid drug making me lose my marbles. M 41 45 days
10 mg 1X day
7/21/2015
 5  Seasonal Allergy and Asthma Progressive dizziness, brain fog, generally feeling "weird." I had to stop it because of side effects. Too bad because my breathing was wonderful while taking it. The dizziness got progressively worse and I didn't recognize that Singulair was the culprit until I read the comments on this page. When I stopped it, the symptoms all resolved within a week. F 42 30 days
8/7/2006
 5  Asthma Twitching eye lids every day. Insomnia for the first few days, but this has now passed. Singulair (or Montelukast Sodium as we call it in New Zealand) has given me my life back. For the past year I have had a cough and wheezing that would not go away. I have been on steroid tablets and three different puffers just to be able to breathe - and all I have done is breathe since any activity caused me to have really bad attacks. My Dr prescribed me Singluair as a last resort since every time I was due to have a Saline Challenge for a proper diagnosis, I would get some sort of chest infection and so a diagnosis was just impossible. Within a few days of starting my cough just stopped. Another couple of days and my wheeze stopped. I no longer feel like someone is permanently holding my chest in a vice. I can live with the twitching because breathing is far more important to me and I can not tell you how good it is to be able to go outside and play with my kids again. F 42 14 days
10mg 1X day
6/25/2014
Email
 5  Asthma none Singulair changed my life for the better! I have had none of the symptoms others have had - depression, weight gain, etc - but I HAVE had those on corticosteroids, which are the only alternative to this amazing wonder medication. Yay Merck! F 42 10 years
6/6/2008
 5  cough variant asthma None My 10 yr-old daughter has been taking for 2 yrs and she experienced absolutely no side effects and she is completely cured of the cough episodes which used to be quite severe F 42 2 years
4/7/2008
Email
 5  Allegery induced Migraine None-in fact I feel wonderful. This has been a Godsend for my allergy induced migraines. Went from 22 episodes a month to 7. F 42 1 months
6/1/2007
 4  Asthma Fatigue,sleeplessness,high blood pressure,anxiety,memory loss,dry skin,mild depression,diarrhea,weight gain,hair loss,the start of kidney failure. Started taking singulair about 9yrs ago when it first came out. Did wonders for controlling my asthma and still does to this day. Recently starting reading a book about natural cures. Decided to make a list of all ailments I have and preceded to do some research on there causes. Did a search for Singulair side effects and came across this site. What an eye opener. Of the 14 ailments I have written down. 11 of them can be attributed to the extended use of Singulair. I am going off this drug immediately to see if it is the cause of most of my ailments. Thanks to everyone who contributed to this site. M 42 9 years
12/31/2006
Email
 4  asthma. allergies The headaches, nightmares, stomach aches, and anxiety all seem worth it to me right now because this has been the first time on my living memory that I can be anywhere near dogs. Not only can I go to my friends house, I can actually stay inside for more than five minutes! In fact, I was the last person to leave her party. Miracle. In this week I have petted more dogs than I have in 30 years. I'm even thinking about having my own dog. Only thing is, if these headaches, nightmares, or general states of anxiety get any worse, I will have to quit this medicine and be back at square one. Wish me luck! F 42 2 weeks
10
1/10/2012
 3  Asthma and allergies Diarrhea, headaches, body aches, chest pain/tightness, and abdomen/stomach pain. I was put on this drug as a last resort, my allergies were out of control and I got winded easily. I had been on Azmacort but they quit making it. For the first 2 weeks, it was great, my allergies were under control and I could run and had endurance without feeling like I wanted to die. Then the 3rd week came and all hell broke loose. I had 3 days of diarrhea, upper abdomen pain, chest tightness, a cough, crushing chest pain that was brief, some nausea, mild headache, body aches, irritability, and I started to do things not at all like me. The drug maker makes it sound like the side effects are so rare but my research on the Internet would suggest otherwise. I do not know if these problems will go away or not. It's weird because a symptom will appear and then disappear only to be replaced by something else. I did not take it tonight and plan on calling my doctor. It makes me frustrated to think I have stop taking something that actually helped me and gave me such relief because out of no where all of these things started to happen. F 42 3 weeks
30 mg 1X day
11/22/2011
Email
 2  Chronic Sinusitis Abdominal pain and urinary tract infection. Increased anger. On 3 occassions, each time after I took this pill, I had sharp stabbing pains in my abdomen/ bladder area. I developed trouble urinating. I now have a urinary tract infection. This probably isn't an everyday side effect because I didn't see it listed, but I do believe this caused my infection. I had to go on an antibiotic. The singulair did very little for my chronic sinusitis. F 42 4 days
12/7/2006
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