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 Weight gain, insomnia, fluid retention in legs and ankles F 45 2 years
10 MG 1X day
8/24/2016
 5  athma and allergies none I have heard that some parents have taken their kids off due to negative side effects. Though these have been kids who have other medical/mental health issues along with asthma a allergies. The side effects appeared after several years of taking the medicaton and due to changes in life. F 46 3 years
10/22/2008
 5  allergies none I have mold, tree, and grass allergies (and various food allergies not treated by Singulair). My outdoor allergies cause burning and runny nose, sneezing, sore throat, sinus infections, headaches, inability to concentrate, and light-headedness. Before taking Singulair I already had anxiety, sleep problems, and leg cramps; these things have not changed. My allergies are mostly controlled by Singulair, having mild symptoms with incidental exposure (strong mold or grass smell) or at times such as when cedar or grass pollen is very high (requiring me to also take Nasonex). I have not experienced depression or nightmares. I do not know whether I can stop taking Singulair and not have allergy symptoms; I tried cutting back to 1/2 pill this fall to wean off of it after grass season, but had to go back to the regular dose. M 46 6 months
9/4/2009
 5  Asthma None. Because of Singulair I have not used my rescue inhaler in 6 years! Before Singulair I was using it every day. My Dr. mentioned that there's typically no middle of the road with Singulair...that it either works great for you or it doesn't work at all. F 46 6 years
3/26/2005
 3  wheezing, tightness in chest Agitation, insomnia, felt aggressive and belligerent. Fortunately, I found I could tolerate greatly reduced dosages. I got the pediatric size, and now take one half the child's dose (2 mg) every other day. At this dosage, it still helps with the wheezing, and does not make me feel agitated, crazy and mean. F 46 30 days
4/18/2002
 3  Allergy A lot of mouth sores/boils on the tongue to the extend that I could not even talk, eat and swallow properly. Thinking of discontinuing the medication. Talking to my doctor for advice. Prescribed for allergic related congestion. M 46 2 days
5/9/2005
 3  Allergies I took Singulair for the last three years and experienced relief from my allergy symptoms. Unfortunately, the last time I took Singulair , two months ago, I started having horrible dreams. Every night I had graphic dreams where I was killed. I know, not fun. The bad dreams affected my mood. I was telling one of my coworkers about my allergies and the problems I was experiencing and he told me about the affect the drug has in some people. I stopped taking the medication, I am no longer having bad dreams, and I am back to my normal happy self. 3 Years. Only had problems this time around (past two months) F 46
4/14/2008
 3  Allergies Heart pounding, anxiety, nightmares, racing mind, felt tired, angry and belligerent,depressed, way more than normal for this time of my life! Singulair did help my allergy symptoms but the side effects are too much for me. F 46 10 days
10/13/2006
 3  Asthma & Allergies Weight Gain Love what it does for my allergies and asthma, but not the weight gain. No other life style change at all to explain the 5 pounds I've gained in 3 weeks since starting Singulair. How can they claim weight gain is not a side effect of Singulair with all these posts? F 46 3 weeks
10 MG 1X day
5/8/2012
Email
 2  allergies, mild asthma can't fall/stay asleep easily then when I do bad dreams, tiredness, irritability, memory loss. sore muscles, anxiety lots of it! There needs to be more attention to who is getting this drug for some this may be a last resort and that mey be fine but with the side effects, that no one will achknowledge are real, this is not worth it for mild or moderate allergies and/asthma there has got to be a better way. F 46 36 days
4/20/2007
 2  Bronchial Asthma Terrible loud ringing in my ears, headaches, dizziness, trouble concentrating, spasms and squeezing pains in my chest. The ringing in my ears is driving me crazy! My lung function was at its worst during my last doctor's visit. My pulmonologist is trying his best to help me and recommended I take this drug as a supplement to spiriva. I called his office last week to tell him about my symptoms but he was on vacation. I thought I would check the internet for side effects and by virtue of comments on this site, I think I have found what I suspected. I need to get the singular out of my system! F 46 35 days
6/10/2007
 2  Asthma Elevated prolactin hormone level F 46 2 months
1
8/12/2016
 2  Asthma Mood swings, depression, couldn't motivate myself to get out bed, couldn't concentrate, and being in a slow fog with no care. The leg cramps got worse in right leg's knee and hip keeping me from sleeping and pain killers didn't seem to help. Aftestop taking realized it was beneficial to my asthma, but in my opinion not worth the cost. Immediate mental improvement after stopping, but the leg pain is still there. I'm hoping for it to eventually to fade. Doctor, nor pharmacist, ever discussed any side effects. If they had I would've reported the symptoms way before they interfered with my life. F 46 60 days
10mg
10/5/2019
Email
 1  Allergic Rhinitis Night terrors, reoccurring ear infections, suicidal thoughts, brain fog, loss of concentration, hair loss, insomnia, swelling, weight gain, anxiety, thoughts of death, ocd, teeth grinding at night. Had been suffering with allergies and doctor recommended montelukast. Was unable to get off the couch the first two days. Depression, horrible, terrifying dreams. Then I became convinced someone was coming in my apartment. Would wake up at night feeling like someone was in the room with me. Went back to the doctor and she assured me it had NOTHING to do with this medicine. Referred me to a therapist. Slept 10 hours a night and would come home every night and nap for hours. Constant brain fog. Forgetful to the point I could not remember my own birthday, my age, my boyfriends last name. Then became anxious about leaving the house. Started having food delivered. Would go to work and then have to rush home, wouldn't leave on weekends. Started online shopping for things I didn't even want. Then suicidal thoughts started out of nowhere. Would be in the middle of a conversation and a thought would pop up, " You should kill yourself! Throw yourself off the building at work." Terrifying! Thought about going to a mental hospital. I couldn't feel much. It was like I was cut off from my emotions. Couldn't feel happiness or joy, couldn't even cry when I was at my worst. Then my hair started falling out and when I looked it up I found this site. Thank God!!! Off two weeks and I''m not totally back to me but I see a light-except for the hair, that's still falling out. F 46 9 months
10 mg
3/10/2020
Email
 1  Asthms I'm a peaceful, calm spirit. This drug made my heart flutter and gave me high anxiety. F 46 7 days
10 MG
7/29/2016
 1  Asthma cough Severe anxiety and depression. Paralysis of thought. Unable to do anything. Emotional wreck. Frequent suicidal thoughts. Initially took it for 3 months but saw no improvement in cough so discontinued. Tried again this year with higher dose inhaled steroids. Symptoms occured quite quickly. IF look back to when i took it last year mental state wasn't that good already so didn't put the worsening of it down to singulair. This year mental health good and side effects severe!! F 46 14 days
10mg 1X day
6/11/2015
 1  Asthma & Allergies Headaches, jaw pain, tingling and numbness in legs, tremors in arms, and increased anxiety attacks. Body felt so weird I had to go to the ER. It worked for my asthma and allergies but the side affects are not worth it! Will be stopping immediately and hopefully I will return to myself! F 46 2 months
30 MG
10/14/2015
Email
 1  Asthma Sudden hyperactivity, insomnia all night, racing and erratic heartbeat, feeling very lightheaded and strange, bitter taste in the mouth. Quite a scary experience and not much improvement in mucus reduction as far as asthma was concerned. I won't use this drug again! F 46 3 days
10 MG 1X day
11/12/2014
 1  nasal cogestion allergy Vivid and odd nightmares the very first night, agitation, agressiveness, confusion, inability to concentrate, severe respiratory infection, wheezing, insomnia. WOW, very bad for me. Be very careful. Moderate improvement in nasal congestion but not at all worth the side effects. M 46 20 days
4/8/2008
 1  doctor recommended for asthma CHRONIC HIVES BIG WELTS ALL OVER MY BODY, SEVERE NIGHTMARES, HEADACHES, ITCHING ALL OVER, DEPRESSION, BIG WEIGHT GAIN, BEWARE WHEN TAKING THIS DRUG YOU MAY GET CHRONIC SIDE EFFECTS LIKE ME?I was having problems with breathing for the first time in my life. I had to go to the ER about 3 different times in about 2& 1/2 weeks. They had started me on prednisone and an inhaler. The 3rd time in the ER the on call doctor was concerned and wanted to admitted me. My husband thought he was helping me out and said lets get to the bottom of this. They did and an other doctor said to take singulair and continue taking the prednisone. That is when everything started. It has been a nightmare for me. I stopped taking the singlar but have to continue taking the prednisone to control the CHRONIC HIVES I get daily. I have had a CT scan, lots and lots of blood work. They have not found anything. I can not get off the prednisone because the hive get really bad. I am now going to a specialist who is going to try some cancer drugs to get me off the prednisone which I have been on for 6 months at 15mg a day and am getting side effects from it. Some days I don't know how I can make it through the day. But I try and I keep Praying. My husband has told me that he feels like it is his fault. I don't blame him. But he has to watch me go through this daily and it's tearing him up not being able to do any thing.( My husband which he could go back in time and never let them admit me.)After about two months I stopped the singular. F 46 46 years
1/4/2007

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