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
 
 5  Asthmatic for 18 yrs/Allergies Drowsiness I came to this site looking for side effects of another medicine I'm taking and decided to see what people have said about Singulair. I was put off at the fact that someone said the only reason anyone would give this a 5 is because they work for the drug company. WELL, I certainly do not. When first prescribed, I was taking the chewable child dose (considering I was about 9) but eventually moved up to the adult 10mg dose. I've never noticed any side effect except drowsiness - which is why the bottle says to take at bedtime. It works wonderfully for me. I notice whenever I skip a night my asthma flares back up to usual symptoms and I have to take at least one dose of my inhaler. When I take it as prescribed I don't need my inhaler at ALL. It does take about 2 days for Singulair to fully work if I have missed some doses. F 21 12 years
1/11/2008
 5  Asthma/Allergies None that I notice. I have been taking this drug since I was about 11 or 12, and has helped me to live a normal life. I had a gap in insurance coverage a couple years ago and went without for about two weeks. I noticed how much this drug helped me. It relieves the tightness in my chest and my throat, and I don't cough like I did. I did notice on the package a few weeks ago that this was not recomended for children under the age of 12... that might be causing the problems with all of these children whose parents have commented. If the doctor perscribed it anyways, well, it may be time to find a new doctor. F 21 9 years
1/12/2009
 2  allergies The worst insomnia imaginable(it's 5:01 as I write this and I've been trying to sleep since 10:30p), and a fatigue headache to match. Pretty much unbearable. Have noticed slight reduction in allergies but not enough to rival the sleep loss. Oh well. Might also mention I am taking the generic form of the drug. F 21 6 months
10mg
3/24/2014
 2  allergies,asthma worsening of asthma, more frequent asthma attacks, mood swings, change in personality, depression, sleeping issues My doctor prescribed this medicine for my allergies and asthma. Within 2 weeks my asthma worsened. I was having more frequent attacks and my overall breathing went down hill. The more I tried to sleep, the worse I felt. On top of that my moods began to change quickly and without much reason. There were multiple times I would snap and be verbally combative with my boyfriend with little or no prompting. Other times I suddenly felt very sad without being to pinpoint any reason and could not hold myself together. Crying bouts and inability to deal with fellow employees at my workplace sky rocketed. The mood swings and freakouts also contributed to more asthma attacks. Before taking Singular I had been aware that it had some negative side-effects in children. I had no clue that adults had also had problems with it. I have no doubt this medication works well for some people. According to the labeling most people can take this medicine and reap the benefits without negative side effects. For those of us that it does NOT help, it's a very serious matter. I have discontinued use TODAY after my doctor realized something was wrong after the my last meltdown. F 21 1 months
10 1X day
5/12/2010
Email
 1  Supposed Asthma Extreme depression, Feelings of hopelessness, sudden absence of motivation, strange dreams, possible halted growth. No painful physical side effects. I'm 21, been using this drug since my teen years. Never could quite figure out what the hell was wrong with me, always feeling down all the time, weak, and empty. At 19 I stopped using this drug after a bit of research. Felt renewed and alive, and more energetic during my workout sessions. I'm no doctor, but having used this medication may have stunted my growth. I was always the tallest in my class back in middle school, and now it seems i'm stuck at a measly 5'7. My sincere suggestion to parents is to avoid the use of this drug... Even if it may have avoided the presence of my asthma, my teen years are gone forever, my youth had no significance. Spent it dwelling on worthless thoughts and now i'm trying to make up for lost time... still hard to do when painful memories still lurk within. And I could be wrong to say this, but cardiovascular exercise along with a frequent lifting regimen has greatly improved my overall health and physique, I'd say use pills as a last resort. M 21 5 years
1X day
3/8/2011
 1  asthma very bad side effects. foggy head, bad sinus headaches,brain tingling, panic attacks,dizziness, halucinations,naushaus, high blood pressure, diarrere, depression, muscle pain,stomach pain, nightmares. helped my asthma...but not worth the side effects.. M 21 10 days
1/27/2008
 1  Allergies Insomnia, moodiness, stomach aches, depression When i went to the doctor for having problems breathing and stuffiness he recommended Singulair. So i tried it for about a month and i noticed that i wasnt sleeping well at all. Just the past couple days have been horrible for me, waking up every hour on the hour or getting about 7 hours of sleep in the past 3 days that i know of. i am getting off this medicine right away, its sept. anyways and all the allergy problems should go away F 21 31 days
9/15/2007
Email
 1  Asthma Depression, anxiety, sleep disorders, decreased mood for many many years, weigh gain (unable to lose any weight), self harm. This medication has helped my asthma, yes.... but it is not worth the declining mental health and weight gain it has caused me.... the anxiety attacks, depressive episodes, weeks of staying up til 3 or 4 am from insomnia, the difficulty losing weight but overall the loss of myself and who I was before this medication is what hurts the most. F 21 11 years
10 mg 1X day
10/23/2020
 1  Sinus Inflammation Loss of appetite, major hair loss( hair falling out in clumps) , mood swings, panic attacks, depression, thoughts of suicide, weight loss, personality loss, INSOMNIA. Highly don't recommend. I stopped taking it 3 days ago and already starting to feel better. Completely lost myself for about a week or two. Doctors try to talk you into taking as if it is a well reputable drug and it is not. I cannot even believe it is FDA approved. F 21 8 weeks
10 MG 1X day
2/27/2021
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 1  Asthma Singulair ruined me. I'm not the same person any more. Don't take this. It will make you go insane. Just don't take it. M 21 4 days
15 1X day
6/3/2021
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 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
 5  Asthma Insomnia, deppression, irriatiblity After the first night I took singulair I COULD BREATH AGAIN!! This medicine helped me so much, I can live with out weezing or using my inhaler all the time. I did have many sleepless nights..I just started doing more during the day like working out so I am more tired at the end of the day. I was getting deppressed a bit, so I got over it and had to take control of my thoughts. I changed my thinking to appreciating being alive which pulled me out of the blues. I still do loose my patients very quickly, which is very out of charater for me but I just try to keep that under control so I don't piss anyone off too much! Overall the drug has helped me so much I try to live with the side effects. F 22 2 years
4/2/2008
Email
 5  Asthma, allergies None. I've had asthma my entire life, and it wasn't until my doctor put my on a regimen of Singulair and Advair that I was able to life symptom free. I take one of these and a dose of Advair every morning, and I'm symptom free. The only negative thing I could say about Singulair is that I get asthma REALLY bad if I miss it, or run out. This makes me think I'll be taking the med for the rest of my life. (That's scary to me.) M 22 4 years
3/31/2008
 5  severe asthma none without this medication, i don't get enough oxygen to stay alert, always yawning, can't speak or do any physical activity without breathing hard; have to take my emergency inhaler multiple times a day (which is ineffective), and the damage that was being caused to my lungs from constant wheezing was always increasing. This medicine gave me my life back 13 years ago and today I can run half marathons, play wind instruments----etc do whatever I like with no problems or fear of not being able to breathe. Any day i miss a pill the terrible inability to breathe comes back. I attribute my life as I know it, and being able to do the things I love to do, to this pill. F 22 13 years
1X day
8/1/2014
 4  Asthma None for the first year, then heartburn starting about an hour after taking the pill each night. It worsened with time. Worked very well, but couldn't take the side effects. Also, not cheap. F 22 2 years
4/29/2005
 4  allergies vivd dreams, minor drowsiness Singulair has worked really well for me. It really helps to open up my airways. I take it in the evening, and I only experience minor drowsiness. The vivid and unusual dreams are actually really interesting, so they don't bother me at all. I think people need to realize that drugs will work differently in people, so not everyone will experience the nasty side effects. I love singulair and plan to keep taking it. F 22 5 months
10 1X day
5/2/2010
 4  Asthma and Allergies Withdrawn, Frequent Stomach Aches, Exhaustion, Unexplained sadness/ mood swings This medicine seemed like a godsend when I first started taking it. My asthma was back under control within a week. BUT when I'd take my pill I'd either fall asleep within an hour or turn into a zombie who couldn't function. If my alarm or my nephew woke me up before I'd slept long enough I'd wake up feeling sick, with a terrible headache and basically barely functioning. My boyfriend pointed out that I've been down and not really talking to anyone, which while sadness and mood swings aren't my norm I am usually a bit of a loner, just not to this extreme. I had noticed it and was actually thinking I might be a little depressed before seeing the side effects listed here. I've also had a bit of trouble with my stomach, everything from just a stomach ache to that horrid unsettled feeling, and constipation. I'm not sure if I'll stay on this medicine or not. I think I'm going to talk to the doctor and see what other options I have. I can live with these side effects, but I don't know for how long. F 22 1 months
10 mg 1X day
10/11/2012
Email
 3  problems breathing acne, and no real relief. I quit smoking about a month and a half ago and then experienced breathing problems. Doesn't really make since, but oh well! I found that while on singulair for a month, I had a bit of an acne problem, which I've never had in the past. I have been off it for 3 days, and no acne at all. F 22 1 months
9/19/2006
Email
 1  asthma mental tics, depression, anxiety, high blood pressure, stomach pain, back pain, itching, inability to focus, insomnia, headaches, diarrhea, obsessions Within days of stopping the montelukast, my negative side effects began to rapidly go away. M 22 10 months
10 1X day
3/26/2014
 1  For MCAS I took it in the evening. Had stomach pain falling asleep and felt queasy, but that isn't unusual for me. Woke up at 5am and sprang out of bed, ran to the bathroom. Was in there for 5 hours, puking, diarrhea, horrible nausea, stomach pain, anxiety, etc. i have a fear of vomiting so it made it worse too. The weirdest thing is that i has to take off my clothes and get my body freezing cold to make the nausea better. I took a bath at one point once i was feeling better, getting hot again started everything all over again. It is 11am now, as long as i keep myself freezing cold (muscles shaking and hurting level of cold) then I don't puke. I am utterly miserable. My body has been so cold for so long because that is the only thing that helps. I have never experienced anything like this before. I am disappointed because I really wanted this med to work. It is important to mention that i have digestive track paralysis and my reaction to this med may have been a lot stronger because of my pre existing disease. Don't let it completely deter you, because the side effects may not be as bad for someone else. F 22 1 days
Idk 1X day
5/23/2021
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