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  asthma first night taking this medicine. woke within an hour of falling asleep shaking, petrified thinking I was about to die with severe heart palpitations. feeling sick with stiffness over body. Now have a fear of falling back to sleep. I searched the net within an hour of this happening as was very affraid of what was happening. I would rather have to use my Salbutomol more than take this medicine again. I can't understand why my Doctor would give me this when I also suffer with anxiety and depression for this medicine to make me feel even worse. Feeling a little more reassured now I'v read it it isn't just affecting me this way. DO NOT RECOMMEND! first night taking this medicine. woke within an hour of falling asleep shaking, petrified thinking I was about to die with severe heart palpitations. feeling sick with stiffness over body. Now have a fear of falling back to sleep. I searched the net within an hour of this happening as was very affraid of what was happening. I would rather have to use my Salbutomol more than take this medicine again. I can't understand why my Doctor would give me this when I also suffer with anxiety and depression for this medicine to make me feel even worse. Feeling a little more reassured now I'v read it it isn't just affecting me this way. DO NOT RECOMMEND! F 29 1 days
10mg
6/18/2016
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 1  asthma/allergies I noticed that after about 2 months I started having really terrible nightmares, became very restless at night and unable to lay still in bed. I took 10mg last night before bed like usual and had the most horrific experience ever. I had an overwhelming feeling of fear, felt like someone was in the room with me when I was alone, and stared seeing things move in the shadows. I could not sleep, I was too scared to close my eyes. I stopped taking the pill cold turkey tonight, and I am hoping all of these side effects go away. I will post an update after a week. F 29 3 months
10 mg
12/16/2015
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 5  Chronic sinus infections Mild drowsy? I have small kids, so it's hard to distinguish if it's the meds or life in general... other than that, NOTHING!! :o) I have not enjoyed clear breathing like this in over 4yrs! After two nights of singulair, I felt like a new person. After 6mos of back to back sinus infections, 90days of antibiotics, a CT scan, it amazes me this would be all it would take to feel human again!! Only been on it a week, but I chucked my Afrin!! Yahoo!!! F 30 7 days
5/16/2005
 5  Chronic allergies, sinus issues Slight dryness and/or irritation of the back of my throat on occasion. May be allergy rather than med related. This medication has done wonders for me. My allergies greatly reduced and I only need a single mucinex for occasional mild congestion. A cold has gone around our family recently. Previously colds+allergies= awful sinus infections. I don't have one and my cold symptoms are easily managed. It's been night and day and I'm thrilled to be on Singulair. F 30 14 days
10mg 1X day
3/29/2011
 5  asthma None It reduced my asthma attacks. F 30
1X day
8/15/2012
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 4  asthma Works great for the asthma and allergies..really has kicked any symptoms out of me, and I have had asthma my whole life....love not being on steroids like symbicort etc....although as strange as it sounds, the chewables (had to take them as my doc only had 5mg samples one time I ran out and had to wait for my refill) give me vivid dreams that are just messed up....and insomnia....thought I was just being crazy till I stumble upon this website...holy cow...didn't think this drug was the real reason.....although, i suppose given the alternative of steroids...this isn't so bad...just wish it wasn't some damned expensive.. M 30 6 months
10 mg
3/6/2012
 4  Severe allergies Absence of stuffy nose. Yay!! F 30 2 weeks
10mg
4/26/2013
 4  asthma none very effective alternative to inhaled steroids for me M 30 2 years
2/7/2007
 4  Asthma / sinus issues Night terrors, insomnia, nightmares/intense dreams. My doctor finally pinpointed my daily subtle breathing related issues to my sinuses rather thang mild asthma. Started motelukast over a year and a half ago now and at first I had terrible nightmares or like semi-awake terrors like someone was in the room and I'd abruptly sit up in a panic. They subsided and only come back if I forget to take my tablet for a few days. Now I do dream a lot more though and the dreams are full on. Haven't noticed any other side effects. I can put up with the sleep disruption/ intense dreams as I can now exercise freely and talk without swallowing all the time! I just make sure i tAke the tablet right before i go to sleep and not 1/2 hour or an hour before bed! Not sure what's going to happen when I come off it when we decide to have children. F 30 1 years
10mg
12/1/2014
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 3  Asthma Stomach pains, vivid nightmares, sonic hallucinations. I could always hear music in my head, songs and melodies I had not heard since my childhood and what I would call a sonic hallucination? All of a sudden I could hear voices shouting at me and it actually startled me as if someone had just jumped out at me. The nightmares I experienced also were very vivid. One I remember, I was in a car park and stepped out of my car bare foot onto lots of snakes, but I could really feel the snakes under my feet The worst thing about this drug is the stomach pains it gave me. I went to countless appointments and a specialist who all said different things but assured me it would not be this medication. I decided to take myself of it and voila! No more daily stomach aches. However my asthma has gotten worse. If you don't get any of the huge list of side effects listed in the paperwork included with this medication, it is like a miracle drug. It's just unfortunate for me and it seems many others that the side effects listed are actually much more common than they'd like us to think. Fingers crossed that an alternative is available one day with less side effects. A couple of things to note, Doctors will not buy the fact that this is causing whatever problem you're having, it will change you as a person mentally, I used to be a very chilled person, but even though I no longer take this medicine I am plagued with horrible thoughts of bad things happening to people I love, which I never thought of before, another tip is that this medicine can show incorrect results on liver function tests. M 30 2 years
10mg 1X day
1/17/2023
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 3  asthma increased irritability, anxiety, emotional hypersensitivity, vaginal dryness and most of all...I CANT HAVE AN ORGASM!! I started looking for side effects of this drug due to my sudden sexual issues, and other than my birth control, its the only medication i take. I am a pretty normal female, i don't always have an orgasm with my partner, but i certainly know how to help myself..and suddenly, NOTHING was working. After reading these other comments, i am realizing that my intense mood swings over the past few months may not have been just situational. i mean, i have been argumentative and prone to outbursts like never before. i am rating the drug a 3, because it HAS done wonders for my asthma..i was using my albuteral inhaler at least 5-6 x a day, and with singular, i never need it. However, if i had children, i would never consider it an option, thanks to these posts. And, I cant live without my orgasms, sorry Merk. F 30 6 months
8/22/2007
 3  Allergies Light headed, "zoned out" I was prescribed Singulair to help combat really bad allergies (very rainy this year, which causes plant population to explode). I notice the first few hours (2-4) I take it I can feel my allergies lessening, but the effectiveness against allergies seems to go down after that. During these first hours I also feel the strongest side-effects, light headed/zoned out, etc. I've only been taking it for a few days now, if the side effects continue to be as strong as they are with the limited benefits vs allergies I'm going to discontinue usage. M 30 4 days
10mg 1X day
3/22/2010
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 2  asthmatic colds i used this for my 2,3, and 5 year old. extremely aggressive behavior, mood swings, excessive talking, nightmares All 3 of my very well behaved children were put on this. They get colds that move to pnemonia quickly. I must say, they haven't been sick at all since being on medication. They are usually sick every other week. But, they have been fighting with eachother and us (their Mom and Dad) from morning till night. Hitting me, throwing tamtrums, irrational, and moody. They are NEVER and HAVE NEVER BEEN like that. I took them off yesterday and already my 2 year old is smiling again. I am worried about thier colds, but I will have to find something else. F 30 1 months
4mg 1X day
3/28/2010
 2  Son's allergy / asthma We noticed after one day of our son taking Singulair chewable, his attitude has totally changed. He already has ADHD, but this has gotten worse. I have never seen his defiance like this. It's already hard on us with his ADHD, but this Singulair has made it alot worse. I "googled" singulair hyperactivity and this site came up with other parents saying almost the same exact thing. We are going to the doctor's office tomorrow regarding this. We are now at our wits end - do we put up with his defiance or do we stop giving him the meds so he coughs his lungs up?? IDK what to do... :( F 30 5 days
5mg 1X day
3/16/2010
 2  sinus infection Dark circles F 30 1 weeks
10mg
3/15/2016
 2  sinus infection Dark circles F 30 1 weeks
10mg
3/15/2016
 1  Mite allergy Since 2009 I have been using montelucast sodium and aerius for asthma and allergies. I was used to use once air but switched to singulair since than I am feeling unhappy, dizzy, absent minded, anxious. I want to cry with no reason. I am always tired and cant wait to go home for sleeping. My concentration is so low during the day. I wont use singulair again F 30 2 months
10mg
2/17/2015
Email
 1  Severe allergies Tremors, fatigue, brain fog, depression, anxiety, HAIR LOSS, auditory hallucinations, sleep disturbances, weird dreams, irritability/aggression, no sex drive I started taking Singulair in conjunction with Allegra due to severe allergies. The first 2 weeks I started taking it, it was great. Took away my nighttime nasal stuffiness, made me sleepy enough to actually fall and stay asleep. My only complaint then was no matter how much I slept at night I always woke up so incredibly fatigued the next day. Over the remaining 2 weeks I have developed all the other symptoms I mentioned above. My anxiety was getting so bad it would wake me up in the middle of the night mid panic attack. I started to hear songs in my head on repeat, some that I had heard recently, some I hadn't heard in years. And no matter what I tried I couldn't get the auditory hallucinations to stop. I became increasingly agitated and irritated, to the point I was kind of afraid to be around my family because I was afraid I would snap on them for no reason. Completely unexplainable stomach pain. Went to my family doctor because I was convinced I had either a UTI or an appendicitis. She ruled out both and said the singular would not cause symptoms like that. Went to my OBGYN and got an ultrasound because I thought I may have had an ovarian cyst, nope. Completely unexplainable stomach pain that bothered me almost 24/7. And right at the month mark of taking this medication my hair started falling out in handfuls and I was afraid to take showers. DO NOT TAKE THIS MEDICATION. F 30 1 months
10mg 1X day
10/22/2022
 1  8 months Singulair 10 mg tablet is scary, the drug was helping my breathing while I was continuing using it but I wasn’t ok at all which I did not notice about the reason of side effects, and I just figured out that around 15 days since last dosage after 8 months of using 10 mg, I had hard breathing, headache, Feeling nausea, insomnia, sleepless, little shaking left hand, diarrhea , and a rapid of fast heartbeat but the big problem was my the mental issue, so mood changed negatively and has depression and anxiety. However, after the hard time visiting many doctors to find the problems, I found that after reading people experiences over multiple websites it’s the singulair plus it returned me back to past around 5-6 months ago when I was stopped taking singulair for one week, I remembered I been to emergency had headache, insomnia, chest problem till I took it again once a day before sleeping which made me not ok. I am not Recovered a 100% and still having hard times but for sure I will be ok very soon. Not recommended at all it’s not worth it plus asking qualified dr is important. Stopping and using can cause series side effects. I’m better but I believe withdrawal will take time since I am daily improved from the day I quit turkey. M 30 1 days
10 mg
5/26/2020
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 1  Allergies and Asthma Gastrointestinal distress daily. Upper respiratory and sinus congestion and mucus. Disturbed sleep patterns with frightening vivid dreams. Mood changes including anxiety and depression. Severe neuropsychiatric adverse reaction - paranoia and severe and chronic auditory hallucinations. Stopped med one year ago and withdrawal period was very difficult. No doctors were of assistance in diagnosing connection to Montelukast. Most side effects decreased or completely resolved within several months of stopping the medication. There is a withdrawal period. Do not stop and start this med! We tapered off slowly. Dangerous medication for adults and children. M 30 20 years
10 MG 1X day
11/2/2019
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