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  Allergies Acid Reflux, Nightmares, Eye Twitching, Nervousness, Anxiety The very first night I took it, I experienced several different vivid, bad dreams. I looked up side effects and found that bad dreams were a potential side effect, although the pharmacist tried to assure me that it must have been a coincidence. I have had several restless nights and bad dreams since. The acid reflux has been horrible and doesn't stop even though I've taken Nexxium, Tums, and Maalox all at the same time! The eye twitching has also been very annoying because it's non stop! I will stop taking Singulair. F 46 3 weeks
10 MG 1X day
4/20/2011
Email
 1  Allergies Extremely tired, flu like symptoms I'm aching all over and feel like I have the flu! F 46 30 days
10 1X day
1/17/2011
 1  tighness in throa Immediately felt anxious, pounding in chest, and appox. 4 hours later my left arm was tingling. I felt "fuzzy" headed, not happy will not take another one again. Would like to know how long it takes to get the 5mg's out of my system. F 46 1 days
5 mg 1X day
6/23/2010
 5  asthma the drug has virtually cured my life-long moderate to severe asthma and it has greatly helped my allergies. i do notice that i feel depressed and anxious alot. i have trouble concentrating as well. i also have trouble losing weight. with the knowledge that i am currently gaining on prescription drugs in general, i am very interested in stopping this drug asap. F 47 8 years
10 1X day
2/15/2011
 5  Chronic allergies and rhinitis No side effects noticed. This drug changed my life. I have struggled to breathe for the last 3 years and nothing helped for very long, not even my asthma inhaler, until my new doc gave me Singulair. F 47 30 days
10mg 1X day
5/9/2011
Email
 5  asthma/allergies Dry mouth initially - none since then. Singulair has been a wonder drug for me. I was living at 50 - 70% lung capacity all year, and the side effects for me of Advair and other steroids were overwhelming. I now only use my inhaler when exercizing, and previously I was using it 6-8 times per day. I do believe strongly that medications affect people differently (I was a zombie with Allegra and Zyrtec, but not with Singulair), and so have no doubt that the low ratings of others on this site are valid. I would take issue, though, with the person who claimed that the people who rate the drug a 5 must work for the manufacturer since why else would they be on this site: I came to this site because I googled whether Singulair and Claritin could be taken at the same time, and after reading the responses, felt I should add my own experiences. I really appreciate this additional information regarding the drug, and will certainly keep it in mind as I continue to use it. M 47 4 years
10/8/2007
 5  Asthma/recur Asthmatic Bronchitus None; however my ears "ring" but that started after more than 2 years of using this drug so I doubt that's it. Did notice I can't eat almonds anymore (mouth hurts), though -- maybe it's the analgesic effect since you can't take asprin with Singulair either! Wow! Terrific drug that saved my life! First got it when I had four (4) pluersies in my lungs while using Advair prescribed by my regular doc. (Advair/Serovent -- dangerous drugs). The Urgent Care doc suggested I use Singulair instead along with my rescue inhaler for acute stage. Presto! I got better. Now, I'm on it full-time and rarely use my rescue inhaler except if I get standard Bronchitus (from the kids). F 47 4 years
12/13/2006
 5  Asthma, COPD, Allergies Stomach cramps, but only in the beginning of re-starting this medication. Due to losing my insurance and financial challenges, I'd been off Singular for about a month, after taking faithfully for about three years with no promblems at all. I will never go off this medication again. I couldn't breath without it. My throat was so scratchy; I was short-winded, hacking cough, wheezing, using my inhaler way, way too much. I was miserable. Within 24 hrs of restarting Singulair, I could breath again. I'm having a little adjustment phase now (some cramping, and sleep disturbance), but because I had taken it for so long with no complications, I expect those to diminish in the next few days. This medication is not for everyone -- especially after reading some of the other posts regarding giving this to children. If it works for you, then it's fine, if not stop taking it(.) It's not as though the side effects aren't reported. Your pharmacy gives you the information when you make your purchase. That's the law. I love the stuff. F 47 3 years
11/27/2009
Email
 4  Allergies Took for 3 years. Joint and muscle pain along with weight gain. Mainly feet, hips and knees. Could barely get out of my car. Would go away once I got moving so was still able to exercise. All Drs baffled. I'm fit so this all didn't make sense. Took it upon myself to research. Been off for a week. Joint pain almost gone. Coincidence? Gained 15-20 lbs despite healthy lifestyle. Not sure what else was an effect. Excited to see the new. Me:) Negatives outweigh benefits. Not worth it. F 47 0 days
1X day
8/4/2023
Email
 3  Allergies At full dose, developed heartburn and burning tongue (from the heartburn). Apparently it changed my pH. I cut the pill in half and the heartburn goes away but so does most of the benefits. When I take it full dose, I can breath deep through my nose and chest. At half does, I'm back to lung spasms and heavy breathing with exercise. Too bad about the heartburn. F 47 30 days
8/11/2009
 3  Severe Allergies I never had any side effects while taking Singulair but since CVS/Caremark changed to the generic brand Montelukast, I have had many symptoms. Depression, suicidal thoughts, mood swings, anxiety which I have never had in my life, crying, night sweats, dizziness, frustration, trouble concentrating and numbness. I thought the symptoms were due to me being pre menopause but my suicidal thoughts are so bad I think it may be from the generic brand. I stopped taking it last night and I'm going to see what happens. I'm nervous about my allergies now because Singulair helped me for years, but I can't put my family through these mood swings anymore. F 47 5 years
10mg 1X day
3/8/2014
Email
 3  seasonal allergies First year: Singulair with Nasonex - no notable side effects (6 month period). Second year: Singulair with Flonase generic - in 4th month of use I started waking up with feelings of depression that would not linger after I was awake. I can not be sure that the depression was caused by Singulair. I weaned myself off Singulair in a week and continued taking Flonase generic. A week later I noticed that my mental capacity had improved. While on Singulair I had difficulty in the evening getting motivated mentally to do anything, and also found it difficult to concentrate on complex tasks (computer programmer). The week after getting off Singulair I noticed a significant change. My mental capacity returned to normal (in the evenings: ability to focus on complex tasks, motivated to perform problem-solving tasks). This is the second year I have been on Singulair. I wuuld start in February and take it til around August/September to treat tree and grass allergies. The first year I started in late March, but did not notice any side effects; I also used Nasonex; Singulair was not sufficient by itself to deal with my allergy symptoms. The second year I switched from Nasonex to a Flonase generic. Without Singulair and a steroid nose spray during my allergy season, I was unable to concentrate during the day (fuzzy, floating feeling from allergies, sinus pressure, etc), had to deal with sinus congestion, occasional sinus infections, frequent sore throat, cough, sneezing, physical fatigue, aches throughout body, and difficulty sleeping. Currently I am using the Flonase generic only. I still experience muscle aches throughout my body, physical fatigue, some sinus congestion, and sore throat, but have decided it is worth it to regain my ability to concentrate in the evening and feel motivated mentally throughout the day. Additional notes: I normally tend to have mild anxiety and difficulty sleeping, but do not experience significant feelings of depression without a cause. M 47 15 months
10mg 1X day
5/19/2010
Email
 2  allergies and cough weight gain, mood swings, manic behavior, nightmares, and anger great with allergies but the side effects are worse than the allergies. F 47 3 months
5 mb 1X day
6/24/2010
 2  Allergy induced asthma attack Major depression; uncontrollable, irrational rage/anger; major anxiety; abnormal heart palpitations; had no desire to socialize; feeling of bleakness/no hope Worked wonderfully for asthma relief, however, absolutely would NOT ever take again due to horrific side-effects ... could not control mood swings. Was uncontrollably depressed and felt like dying. In short time I took Singulair, due to my behavior, was risking my relationships with husband, daughter, friends. Felt as if I was having a psychiatric breakdown, because I couldn't understand the depression, anger, anxiety and could not stop feeling horrific, or taking it out on family, friends. F 47 10 days
10 mg 1X day
1/10/2011
Email
 2  Combat sinus allergy symptoms Panic attacks, feelings of impending doom, manic and suicidal thoughts. Episodes last from two to five hours. I have allergic onset asthma and have had chronic sinusitis. I didn't notice any improvement with or without the Singulair. The panic attacks are worse than the sinusitis symptoms. Will discontinue the Singulair in hopes that the panic attacks do not return. F 47 7 weeks
8/24/2009
Email
 1  Allergy and exercise induced asthma Anxiety, depression, moodiness, irritability, low self-esteem, reduced sex drive, racing negative thoughts, reduced motivation to do things I normally love to do, emotional "melt downs", reduced ability to cope with small problems, enhanced PMS symptoms, etc, etc, etc! I am normally a very upbeat, optimistic, funny person, and have been my whole life. After 2.5 years on Singulair, I no longer felt this way. Because the changes were so gradual, I truly believed that something else was wrong with me, i.e. that the symptoms I was experiencing were not drug-induced. I thought that I had inherited the propensity for depression from one of my parents and that the time had come for me to start anti-depressants. I even went so far as to consider having my doc prescribe one for me! After my husband told me of the link between Singulair and suicidal thoughts (which I did not, thankfully, experience) and reading the postings on this website, I decided to stop taking the daily Singulair (10mg) and Zyrtec (5mg) which had been prescribed for my asthma and allergies. After about two days of a real funk (withdrawal) and two weeks of extremely itchy skin (Zyrtec withdrawal) I began to feel like my old self. Happy, laughing, able to cope with things, not menta F 47 2.5 years
6/18/2008
 1  ASTHMA Severe heart palpitations, exhausted, soar neck muscles, depressed and inattentive. Mostly the heart palpitations, they are very severe. Had heart palpitations when on the serevant disk inhaler a few years back as well. Same thing, my heart was freaking out. Visited a cardiologist and couldn't find anything wrong. Took myself off it and the symptoms went away. F 47 2 months
3/29/2009
 1  chronic rhinitis paranoias, hallucinations, suicidal thoughts and phonism. very terrible side effects. i could not control myself. singulair was very effective for alleviating the rhinitis symtoms, but i was also hospitalized 7 days for 'initiative psychosis symtoms'. luckily, i remember singulair is somewhat related to mood and behavior change. i stopped taking singulair for 5 days and all horrible side effects were gone. i am a sane myself. M 47 3 years
8/27/2008
 1  asthma uncontrollable anger/rage, a hair-trigger temper, a tendency to lash out violently, low self-esteem, a tendency to isolate himself from friends and to avoid making new friends, depression, and continuous suicidal thought very bad drug F 47 2 times
4/15/2008
 1   I have written before. Side effects are horrific-barely worth the benefits. Read this one now. We have to take control. Allergy Medication Linked to Suicide WNYT News reports that today, February 28, 2008, the FDA will open two days of hearings regarding communicating the possible risks of the allergy drug Singulair, which has been used by millions of allergy and asthma sufferers. The August 2007 suicide of 15-year-old Cody Miller after just 17 days of Singulair use has sparked interest in the drug manufacturer Merck's notification program. Cody's mother said that by the second week of her son's Singulair use, he began having trouble sleeping, followed by "three days of really falling, negative emotional meltdown" before he took his own life. Neither they nor their doctor had any awareness of Singulair's danger. Although the company says that it has notified pharmacists and physicians of potential dangers, Singulair's warning didn't include suicidal thoughts and actions until October 2007, two months after Cody's death. Whenever taking any medication, it's important to read existin F 47 7 days
3/3/2008

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