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   Within 90 minutes of the first dose, I experienced severe nausea and vomiting that lasted 24 hours; the concurrent feeling of panic, irritability and being hung over faded over 48 hours F 40 1 days
5mg 1X day
1/30/2011
 1  Allergy-related asthma Depression, anxiety, joint pain, most recently heart palpitations I have been on Singulair since it was approved for asthma in 2008. While it did help asthma symptoms, I have dealt with depression and anxiety for the past 12 years. It wasn't until about a month ago, when I started getting scary heart palpitations that I found online that Singulair can cause that. I discontinued the drug and have now realized that it was contributing significantly to anxiety and depression! This is the first time in over a decade that do not feel some level of anxiety or depression. I can "shake it off" when I start to feel a tendency toward those states of mind and I've not been able to do that in a very long time! Such a relief! F 40 12 years
30 MG 1X day
11/8/2010
 1  Exercise Induced Asthma HORRIBLE side affects - racing heart, severe anxiousness.....lasting days after stopping! Probably did not take it long enough to notice any improvements to the asthma. HATED it - can't wait for the side effects to STOP. F 40 2 weeks
10mg 1X day
5/1/2010
 1  allergy control nausea/motion sickness, unusual sensitivity to smells-particurlarly smoke F 40 7 days
7/29/2003
 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
 1  mild asthma and dust mite allergies My 10 year old son began taking Singulair 5mg almost 2 years ago for mild asthma and allergies. I was very leary of him taking any med's long term and asked repeatedly about possible side effects. I was told by 2 doc's that there really weren't any that they were aware of. I called a week after he began taking it because he was having horrible nightmares. I read the package insert and it said something about nightmares. Both doc's said they would only last a week or so. They did seem to go away and his allergies and asthma were under control so we continued to take it. After the reports of suicidal thoughts I called again and was told it was rare in children and to continue him on it. He is now 10 and is very moody, argumentative, sad and seems to be having bad dreams again. I asked if Singulair could cause these problems esp. in boys starting adolescence and was told no. After reading this site I am taking him off of it today. I had no idea so many of the things I've seen i F 40 2 years
6/14/2009
 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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 4  Chronic cough due to allergy First week headaches, flu like symptoms, weight gain about 1lb per week. lethargy and occasional joint pain. I love that I finally get a good night sleep because it is helping for the cough,but recently losing 40lbs I am very depressed gaining 6 back!! I will probably ask for something else or suffer. I thought I was crazy gaining weight, I was counting calories and exercising as usuall and started gaining. Atleast now I know it wasn't me. They really should put this side effect on the label. F 39 30 days
9/20/2006
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 3  Allergies Anxiety, nightmares, pnuemonia, cough, bleeding This drug relieved my nasal rhinitis. Unfortuntately I started having nightmares and after awhile started having anxiety. The anxiety was exhausting. I also got pnuemonia for 1 month, which was the first time. Not sure if Singulair caused it. Other thing is when I would wash my face, sometimes my pores would bleed for no apparent reason. I also started to have a cough. I stopped taking the med and these things cleared up. Not sure if that is a coincidence or not. M 39 6 months
10/24/2008
 3  Asthma Terrible weight gain (15 lbs.), horrendous migraines, decreased libido and nightmares. I finally realized the connection of the weight gain and migrains when I forgot to fill the prescription about two weeks ago. Since. . . I have lost a little of the weight (which was IMPOSSIBLE to lose while on), no headaches, but I did have one asthma attack due to allergies. F 39 4 years
7/24/2006
 3  Allergies Would get upset over little things that normally wouldn't bother me. Had severe nightmares!!! It helped a great deal at night for me to sleep better without trouble breathing. I worry about the children that are on this and can't verbalize the nightmares they may be having. Mine were horrible. F 39 1 months
12/21/2004
 3  Asthma Since taking singulair,I itch all over and its uncontrollable. I now take texa to stop this. My memory has become really bad and I am even on anti depressants now. If I take my tabs an hour later than usual, I experience these serious painful chest pains, feels like I can rip my chest open. It is extremely painful and you feel like you're going to die! Why? What am i allergic to thats in these meds? I use the generic kulair and it does the same. I know it causes depression as I have bee been on anti deps since being on singulair after a few months. It really works to keep the chestyness away and reproduction of phlegm but the side effects does affect my way of life and not sure if the meds clash by chance. F 39 7 years
10
8/19/2015
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 3  asthma WEIGHT GAIN!!! The weight gain was evident and uncontrollable. I gained 17 lbs in 7 weeks with eating less and exercising more. There were times when there was extreme urgency to move my bowels. Intense Diarrhea. The diarrhea wasn't a constant when on the med but when I had it the intensity was worse then a stomach virus and URGENT. Again the most obvious side effect was weight gain. I was shocked when it wasn't listed as a side effect. If it wasn't for being in touch with my body and being fit this weight gain could of went on for a while. I'm thankful for the people on the internet that supported and voiced this very same side effect. M 39 2 months
10 MG 1X day
3/8/2016
Email
 3  Allergic asthma/ Copd Irregular heart beat, neck pain and shoulder pain. Chest tightness. Numbness on left side of face. And tingles up and down both legs. Breathing is better but I don't know if I can continue with numbness and jumpy heart rate. F 39 36 days
10mg 1X day
10/1/2020
Email
 2  Asthma and allergies Ear aches, tingling, numbness, back of calves hurting , light headed, headaches, tiredness, anxiety Had to be put on antibiotics for ear infection - no I would not recommend this to anybody F 39 0 weeks
1X day
7/11/2022
 2  asthma related cough bed wetting My 9yo son has had significant issues with bed wetting in the past but we finally had it under control. He just started singulair 5 days ago and has wet every single night - sometimes twice! This just can't be worth it. He already has frustration and behavioral issues so there's no way I want to risk adding to his problems. He's off. F 39 5 days
11/9/2009
 2  3 1/2 yr old for allergies/asthma My son who was already strong-willed has been on Singulair for approximately three months. He's always been high-energy and difficult to discipline but he started having these negative thoughts and speech "I hate myself" I hate you/my sister" and calling people idiots and hitting more/biting etc. - and until I happened upon this website did not even think it had anything to do with his medication! He also has had hallucinations/bad dreams frequently at night and told my mother that he heard a bee in his ear - which is what caused me to suspect his medication. After reading all of these posts I took him off of it two days ago. So far I have not seen a change and he is a little asthmatic so I am calling his allergist about all this tomorrow. I am OUTRAGED that I never was told about these side effects and to hear that it was reported in the news - I am guessing I must've been under a ROCK that day? I would have never put my son on this medication if I knew. Sadly, it was really helping with his allergies and asthma and now we'll have to try something else possibly. We took him off Zyrtec b/c he had issues on that as well and it dried him out too much and made him too drowsy. F 39 3 months
2/15/2009
Email
 2  Asthma The crazy maker! I started taking this medication a month ago and became depressed and extremely anxious with tightness in my chest. Sweaty palms. Near tears a lot of the time. Irritable. Hyper-sensitive. Moody. Emotional. Panick symptoms for no reason. My asthma symptoms did dissappear but it doesn't matter because the side effects are worse. It does work for asthma - my breathing became a lot better, no wheezing or asthma symptoms. The anxiety symptoms are too much though so I'm going to quit it. M 39 1 months
11/11/2006
 1  Asthma & Chronic Sinusitis The first 7 days Singulair seemed to work just fine without any side effects, but then on Day 8 I started to feel nauseous and that continued at least 5 more times to the point of deep breathing to control any vomiting. Unfortunately, as of today that didn't work, and I actually vomited. I have also had an increase in coughing where it was almost non-existent before. I am on Effexor for depression, and it works great; however, I'm also feeling more depressed and really lethargic, which isn't like me. I missed one dose yesterday, and last night I couldn't sleep at all, even after taking my prescribed Ambien. I finally fell asleep for about two hours. During that time I was freezing and then I had the sweats while having nightmares and waking up with extreme joint pain. I called my doctor and said I'm taking myself off. I don't like feeling this way, and I'm going to see if all these symptoms stop within the next couple of days. I have a feeling they will. Although I know others on this product, I would not recommend it due to the many side effects. I am not one to suffer from side effects, but this product definitely threw me for a loop! F 39 14 days
11/22/2006
 1  allergies Took 1st dose (on empty stomach) and within 5-10 minutes had strong tingling in hands and arms, then top of legs. That receded, though hands still feel a bit tingly an hour later. Shortly after that, had uncontrollable body tremors (like shivering, but wasn't cold) on and off for about an hour. Waiting for the clinic to open so I can call the doc and follow up. Will NOT be taking this again, far too scary for any benefit I might get. Makes the fatigue, lightheadedness and dizziness of my past allergy meds look like a picnic. F 39 1 days
4/19/2006

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