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
 
 2  asthma night terrors, depression, anxiety, WEAKNESS, FATIGUE, headahces, abdominal pain, and ACID REFLUX (in all caps are the worst symptoms) feel better on asthma, but i get bronchitis if I stop the medication; but its not worth all the symptoms F 26 2 years
30 mg 1X day
9/22/2011
Email
 1  asthma,allergies my wife started taking singulair to control her asthma and allergies. at first she told me about her vivid nightmares. and i thought that was it. then i noticed her mood changes. last night she tried to kill her self and was telling me how depress she has been and how the world would be so much better with out her. why would this drug be put on the market. i'm sure after so many complaints another alternative has got to be created. or is it prescribed by doctors because the company that produces it gives them a piece of the profits? this drug, does help control asthma and allergies, but the down side is that if patient taking it is left unattended, will probably attempt to commit suicide F 26 30 days
10 mg 1X day
12/11/2011
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 1  Asthma Anxiety, racing heart, breathlessness, leg spasms I take Singulair only as needed, and had recenlty taken it after not having taken it in a few months. All day I was short of breath. When I went to lay down to sleep that night, my heart rate skyrocketed. We went to the ER and my resting heart-rate was 180. I could barely talk and my legs were convlusing. The Dr said it was a caffiene induced anxiety attack. I didn't have caffiene or anything for 4 days. On the 4th day I took my singulair and the same thing happened when I laid down for bed that night. These attacks are scary. I was concrned I would go into cardiac arrest. I have never been so scared. My allergist discontinued my use if Singulair and said that anxiety attacks is a very rare side effect. Be warned, it is not inside your head, it is an actual reaction to the chemicals. F 26 2.5 years
10mg 1X day
12/23/2010
 1  Asthma due to pet allergies Hallucinations, obsessive thoughts The first night I took this, I woke up yelling at my husband that I was coughing up blood. He flicked on the light and I was fine, but I couldn't shake the feeling. The exact same thing happened once every few days. Last night, I started having OCD thoughts about how I was bleeding out of my mouth. I was pacing back and forth, running to the bathroom to check on the "blood", waking up my husband to tell him I couldn't stop bleeding.. It was like I was on LSD. I spent two hours pacing back and forth, just seeing the "blood" that I knew wasn't actually there. It was the scariest thing in my entire life. I have never been diagnosed with any mental illness and have NEVER had anything like this happen. I am getting off this drug IMMEDIATELY! F 26 2 weeks
1X day
12/25/2011
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 1  Asthma Panic attacks, suicidal thoughts which are out of character for me. Asthma did improve. Psychological side effects too strong and scary. M 26 2 months
1/12/2009
 1  terrible allergies and asthma Works great for allergy and asthma syptoms, but after 1 pill (child 5mg) dose, I am anxious and have a hair trigger temper which is not normal for me at all. Luckily I am an adult and can see that it is definately without a doubt the Singulair, so I will not take it again. I have tried the adult 10 mg dose before and it caused me to have the same emotional problems, so my doctor thought the child dose may not be that bad, well I can tell you that it is. Please listed to your children if they are acting out, and try taking them off Singulair for a few days to notice a change. It is not worth the side effects. Does anyone recommend another allergy medicine that really works for chronic sinuitus? The longest I could stand to take this drug was 14 days, and every day was worse than the last. F 26 14 days
3/17/2009
 1  Asthma Mood swing, depressed, severe joint pain, tendonitis, irritability, easily angered, crazy dreams, insomona, unable to function at times. F 26 3 years
10
9/24/2013
Email
 1  Allergy/tingling cheeks DO NOT TAKE THIS &#!@. Cant believe this crap is out there. I developed uncontrollable muscle twitching and pins an needles all over my body an aches everywhere not taking anymor of this crap. Twitching as I type this. M 26 2 weeks
10mg
6/5/2014
Email
 1  Possible Asthma Insane weight gain, I'm in the military and have to sustain a strict physical fitness and this is not possible while on Singulair, gained 12 pounds in 2 1/2 weeks, absolutely ridiculous. Also experienced gastrointestinal distress and bizarre dreams. M 26 18 days
10 MG 1X day
12/6/2016
 5  Asthma - shortness of breath Extreme depression, wanting to cry all the time, fear, extreme emotional weakness The longer I took the weaker I became emotionally, I have been off for 3 months still do not feel completely back to normal F 27 5 months
1 D 10mg
9/3/2015
 5  asthma and allergies no side effects i love singulair, it's a wonder drug that helps with my asthma and bad allergies. it doesn't work perfectly 100% of the time, but for the most part, i love it. and i know it works cuz when i stop taking it, usually cuz i don't have the money for it, it gets harder for me to breathe, and i sneeze constantly and have a runny nose M 27 4 years
6/8/2009
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 3  Allergies First time around (3yrs)- none. Second time (1 month) - constant hunger, vivid dreams, moody and hypersensitive, decreased sensitivity in vaginal area The first time I took this for about 3 years and did not recall any side effects except weight gain that I attributed to slowing metabolism due to age. I was off of it for about 6 months and my allegies started getting so bad that I started again. For the last month I have been taking it I have become a different person. Did they change this drug or is it just me? F 27 30 days
5/9/2008
 3  asthma and allergies Singulair has worked very well to control asthma and allergy symptoms. Personally, I have not experienced nightmares or leg cramps. But read on... I have been taking it for probably about 5 years now. I am a 27 year old female, and my asthma doctor reports that the pulmicort and singulair are keeping my symptoms under control. However, I decided three days ago to quit the singulair. The doctor said on my last visit that I could try it. Here's my experience. I have had some difficulty in waking up in the middle of the night. But I usually go to sleep okay. I feel really good, though today, my third or fourth day, my chest feels heavier. I took a puff of my albuterol and the heaviness has subsided somewhat. As for the mood changes while I was on Singulair, I agree that they are a very real possibility. I was often cranky and tired, and I experience depressed moods, would ruminate often. I did not feel this way prior to my college years. In high school, I took no asthma drugs at may work for you, but read the fine print and ask questions F 27 4 years
7/15/2007
 3  Heavy smoker which leads to asthma Extreme intolerance to heat (and somewhat to cold), hot flashes/flushes, sweating profusely, heat rash to the face and upper body, feverish symptoms. Have been taking singulair for about 12-18 months on and off for a persistant smokers cough/phlegm issue that leads to asthma. I have been consistently taking it for about 4 months now and the above side effects are unbearable, especially when trying to work and be professional while your skins on fire and your sweating so much you need to change your clothes. I am ceasing this medication today and hoping these symptoms go away. I also take a contraceptive and an anti psychotic med and have thyroid issues so I cannot put this down to Singulair, but will report back after 2 weeks. F 27 1 years
10mg daily
3/14/2019
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 2  mild allergy realated asthma anxiety, generally unhappy, feelings of hatred, depression, worry, regret, irritability, EXTREMELY MOODY, sleeplesness, nightmares, restlessness, "brain fog", loss of motivation, tingling in hands, dry-bloodshot eyes, restless legs I am generally a VERY VERY laid back person and SUPER easy going, I want to stress that because I hate to think the effects this med could have on people who are already feeling the way this drug made me feel. After 1 week on Singular I started to experience completely unexplained anxiety and depression. I couldn't sleep, and was extremely restless at night. I was constantly worring about things that I used to never never think about. I was beginning to be short and hateful with my friends and family, to be honest, an absolute A$$hole to just about everyone. My brother and friends even asked me what was wrong with me, and I didn't know what to tell them. It was like a constant heavy CLOUD over my disposition. THANKFULLY I found this website, and as a result TODAY is my last day on Singular, and I hope that it will flush from my system quickly - I want my OLD SELF back!!!! I will never take this med again!!! M 27 2 weeks
5/2/2007
 1  asthma depression, extreme anxiety, panic disorder, suicidal thoughts, loss of control over thoughts, paranoia, suicide attempt I've been on Singulair for 7 years. It did control my asthma. However, during the time I was on it, I slowly spiraled into deep depression. After 6 years of taking it, I developed such extreme anxiety and panic disorder that I was convinced I was going crazy, as schizophrenia runs in my family. I had no control over my thoughts, which were so scary and demented that it was virtually intolerable. I had one suicide attempt year 6 of taking it. Over the 7 years I became agoraphobic. I didn't attribute my troubles to Singulair, instead believing I was mentally ill. My mom told me about the news reports and I discontinued Singulair. My doctor said to give it 1 month to get out of my system. By day 3, I noticed extreme changes for the better. It's day 11, and I haven't felt this normal since before taking Singulair. All anxiety has disappeared. I think normal again, depression has lifted. I'm dumbfounded that my "mental illness" wasn't an illness at all. I can't beli F 27 7 years
4/7/2008
 1  Asthma, allergies Weight gain (20 lbs..went from a 4 to an 8), insomnia, depression, anxiety, suicidal thoughts, loss of motivation, feelings of rage and desire to be violent sometimes, general feeling of being unhealthy I used to be a confident, over-achiever with a lust for life.In the past 1.5 years, I've become someone I don't recognize: a wimpering ball of pathetic mush.I never suspected singulair because about a year prior to taking it, I lost my dad to cancer at an early age, so blamed my problems on that, but the timing is just too concidental.I have to take 2 Rx's each day to control my outrageous anxiety and depression, and my self esteem is zero (in spite of a great career, fiance, friends, and the bills are paid!)By all accounts, I should be happy and well-adjusted, but I can barely make it through most days.I'm overweight now and exhausted no matter what I try.Since finding this forum last night, I quit taking singulair.It worked for me, but not worth it.If you decide to try this drug, KEEP A DIARY so you don't spend a year and a half piling on *more* drugs and therapy to fix what singulair did to you. F 27 18 months
1/12/2008
 1  asthma my 6 year old daughter just started this medicine 3 weeks ago and at first told me she felt leg pains..i thought nothing of it,maybe it was growing pains. She was acting a little weird and fighting with her 2 year old brother and us. Then just yesterday she looked very down and when i asked her what was wrong she said that "she was born". This totally shocked me and my heart broke. Why would she say that? Was she having trouble in school? Feeling neglected at home? We always have fun with the kids. Then she said she has been feeling really sad lately and she didn't know why. When I went to give her the dose last night, I realize it was the medicine!!The label with small writing on the side said to call doctor if you experience mood changes, sadness, depression.. She had been acting out of her normal because of it! Of course I didn't give it to her and will never give it to her again!!!! M 27 21 days
3/19/2009
Email
 1  Asthma Extreme irritability and tetchiness, mood swings, memory loss/forgetting words, hives, patches of eczema on eyelids, disturbed sleep, vivid dreams, depression. Noticed some of the side effects but it took a while to join the dots. Very scary drug - frightens me to think of what children must go through when they experience these side effects. Very thankful that I have now discontinued use and will feel normal and happy again soon. F 27 40 days
3/16/2006
 5  Seasonal allergies and asthama Made me tired so I took it at night. Drs. gave it to me for what they thought might be allergy induced asthma -- it turned out to be GERD. But the singlair did help with the seasonal alleriges that I had. F 28 4 weeks
8/9/2006

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