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/asthma My son was on this medication when he was three and now again at ten. We did not realize until we put him on it this time that it was causing severe changes to his personality. He is very moody, anxiety level is high and he is very angry. He is now off the medication and hopefully we will see changes. I will never put him on this medication again. I do have to say though my daughter was on it for a year with no side effects. For some it works but for others it definetly does not. Watch closely for side effects.. F 49 2 weeks
5mg 1X day
8/12/2010
Email
 1  asthma depression, crying spells for no reason, thoughts of suicide, stinging/tingling sensations in hands & feet, nausea, vomiting & diarrhea, daily headache, sore tongue patient information sheet that comes with singulair does not warn of many side effects at all F 49 14 days
3/18/2007
 1  allergies My 4 year old daughter took this medicine. Sleeplessness, nightmares, complaining of monsters in her bedroom, extreme anxiety, mood swings, glazed disconnected look in her eyes at times, anger, aggression, destructiveness. It was like she was possessed. She's been off this for two months. The symptoms have almost all disappeared. This drug needs to be banned. These dangerous side effects are ruining children and families. This was the only drug my daughter was on. She had no control over her behavior and was diagnosed as having a mood disorder. She was put on antipsychotic medicine at the age of 4! I stopped those medicines shortly after I stopped the Singulair. The behaviors have almost all disappeared. F 49 11 months
4 mg 1X day
12/10/2013
 1  Allergies Abdominal pain, bloating, dizziness, leg cramps, restlessness. Side effects began to subside immediately after I stopped taking the medication. However, it has been nine days and there are still some transient side effects although they are much better. It will probably take some time, I would not encourage anyone to take this medication. M 49 30 days
6/22/2009
 1  Seasonal allergies/rhinitis I'm a nurse, and I always look at side effects before taking any medication. So I did see this med could cause mood alteration, but like everyone else, just thought it was rare and wouldn't happen to me. However, by day 5 I was starting to feel mood swings, and on the 6th day I had this almost paralyzed mental state, hard to describe but I could not even get out of bed. Laid there and cried all day, in a panic state, not knowing why, until I put two and two together and realized it was the medication. Started investigating more, and see multiple people with similar reactions within days of starting this med. Stopped taking that day, and mood has improved, but in the 2 nights since stopping I have woken up panicked from sleep for no reason, this last time I was out of bed and opening my closet before I even became conscious, I don't know what my dream was, but I was very afraid and my heart was pounding. The side effects are DEFINITELY not worth the benefit for me. Sad to see all the children who become so depressed and suicidial, at least As an adult I knew what was happening. How scary for a child!!! F 49 5 days
10mg
5/25/2016
 1  Exercise induced asthma Excruciating abdominal pain, nightmares, and brain fog. Would never recommend this medication. Should be removed. 49 3 months
10 1X day
8/20/2020
 5  Asthma / Bronchitus None I am aware of Got me off regular inhaled steroids and ventolin, of course it's price set to the same point at the drugs it replaced. M 50 1.5 years
2/13/2005
 5  asthma It was great for my asthma but I developed terrible migraines that made me nonfunctional. F 50 3 months
4/21/2005
 5  Formerly unmanaged asthma So far, none. That is HIGHLY unusual for me! I have spent the better part of my adult life being tired and having asthma symptoms (long undiagnosed). My asthma was not diagnosed until I was in my 30's, and no doctor ever really managed it correctly, or at all. I kept on believing that my breathing wasn't too bad. After becoming progressively tired over the past year+, I told my primary care doctor that we needed to find out what was wrong with me, that I couldn't go on feeling the way that I was feeling. A full cardiac work-up revealed a perfectly functioning heart. The pulmonologist's report wasn't as rosy. He believes that my years of untreated asthma have caused some permanent damage, and that there may also be COPD involved. He put me on Advair and Singulair. I decided on taking 5 mg. of Singulair rather than the prescribed 10 mg, since I'm less than 5' tall, and under 100 lbs. I'm frequently given doses of medication that are too high. Well, I can't say for sure which drug is doing what, but I do know that I have not F 50 10 days
12/7/2006
 5  Asthma allergies none for me none for my daughter 11years before singulair my daughter had to use the nebulizer most winters, and had regular bouts of Bronchitis. I had serious sinus allergies. We've both been very well since taking the medication F 50 10 years
5 mg 1X day
4/13/2010
 3  severe allergies This medication has really helped me. HOWEVER, I was @ the allergists 2 days ago and waiting around for my shots when I picked up a Singular pamphlet and started reading the back. I had to read it over and over again in disbelief. Suddenly it hit me. I had been wondering why I have been so angry, irritable,no motivation, etc. OMG. Then I mentioned it to my dr. saying I feel like breaking dishes every day. She said, you have to stop right away!!! There should be more of a warning on this med. These symptoms arent even mentioned in the primary listings. There are so many people who are given this drug and like sooo many patients they dont ask questions and they DON'T understand when they begin feeling badly. I wonder if there are any studies out there of indiv who were on this and ended theirs lives or came close to it. F 50 8 months
10 mg day 1X day
9/11/2010
Email
 3  asthma Has made me gain weight. I have been doing the same things as before and now that I got on Singular I've gain weight and went up 1 pant size in 3 weeks. Hate it. It does help with my condition but look out weight gain. F 50 3 weeks
10mg 1X day
9/16/2011
 3  Chronic rhinitis and nasal polyps Anxiety, depression, mood changes, irritability, drowsiness, sleep disturbances, vivid and strange dreams This drug works better than any other nonsteroidal drug for my nasal symptoms, and it helps to diminish stuffiness and restore my sense of smell. However, the side effects are profound, and Singulair makes me feel hyper-sensitive, emotional, anxious, depressed, and gives me vivid and strange dreams bordering on nightmares. I am glad to had found this website, because now I know that others experience the same side effects. It is too bad, since the drug works well for sinus problems; I just don't know if it is worth it, with all of the severe side effects it causes. F 50 14 days
9/27/2007
 3  Asthma, Allergies, MCS Over the last several years I had been experiencing lower back and hip pain, which I attributed to age. I have also over the last two years tried to reduce the medication I am on during the winter (I live in the north east) while allergens are low. I have stopped taking singulair over the winter two years in a row and stopped and started recently to test my theory, While I am not taking sinuglair I have no lower back or hip pain it is only when I return to taking it does my lower back and hip pain return. I also have noticed I experience muscle aches and spasms in my lower legs in the morning while I am taking singulair. Unfortunately I will have to stop taking it for these reasons. It did seem to help my allergies and asthma in the past but the side effects of the pain doesn't warrant my continuing it. No Additional comments F 50 16 years
10 1X day
4/26/2014
Email
 2  Allergies, astma Headaches, Numbing of the fingers and arms. Heart rate up, with palpatations. Anxiety, general weirdness feeling. WARNING!!!! FOR THOSE WHO THINK THIS WORKS GREAT! This drug almost cured me from being sick with respitory problems my whole life that were literally life threatening. HOWEVER- long term I started getting numbing, tingling in my hands and it has always made me anxious. I am an adult. I finally figured out the cure wasnt this, it was all the food allergies i had!!! Check your blood for food allergies! A lot of the wheat soy and the rest is being manipulated and is GMO. Our bodies react to this. I got off this drug almost completely and the numbing has subsided. F 50 7 years
4/12/2008
 2  Asthma Emotional outbursts, flooding of thoughts, joint pain, racing heart, spaced out, insecurity and negative self talk, suicidal thoughts, hopelessness. Singulair did a great job on the asthma it was the other crazy side effects that took me over the edge. Used to be on 10 MG and am down to 2.5 and hope to be off of it soon. I spent thousands of dollars on therapy, counter balanced these side effects by taking more drugs: Adderall (ADD Drug) for the spaced out and inability to focus, VIOXX for the joint pain, bursitis and aches (until it was taken of the market), COUNTLESS natural remedies running me thousands of dollars. Currently I am detoxing and drinking Kangen Water. The Kangen water has been most beneficial for my breathing and detoxing whatever was giving me the asthma in the first place. F 50 11 years
2.5 MG 1X day
6/8/2010
Email
 2  Asthma - Sinusitis - Allergies Nightmares, anger, anxiety, agitation, heart racing and jumping and odd feeling. This is the third time I've tried to take it; yes, there's *some* benefit for asthma, none for chornic sinusitis or allergies. But, I still need Advair every day and Albuterol. Doesn't do as much for asthma as it once did and it ALWAYS had distressing mental and heart side effects. My doc said those are not in the book but admitted other patients come in and say the same thing. I'm going off. F 50 12 months
1/13/2007
Email
 1  asthma/allergies constipation and abdominal pain After maybe a week or so taking it, I became suddenly and severly constipated, and was doubled over with abdominal pain, then vomited. Two days later the abdominal pain came back just as bad, but without the vomiting. It came in waves, plus still severe constipation. It was so bad I ended up in the ER. I had no idea why I was so constipated and in such pain. It didn't occur to me for a few days that it could be related to Singulair. When it did, I stopped taking it to see if there was a link, and sure enough, I returned to normal. Has anyone else had these symptoms? F 50 7 days
12/28/2005
 1  Asthma Moodiness, hostility, depression Discontinued use today, would rather live with asthma symptoms. M 50 2 years
10mg 1X day
5/26/2010
 1  Allergies I have been unusually depressed - suicide thoughts - lack of mental acuity. Also, primary reason I took this was to get rid of a cough but I cough every time I breath cool air from air conditioning. Also experiencing breathlessness at times. I went online to see if my depression could be associated with any drugs I am taking. I also take blood pressure medicine (losartan) but have not had any problems with that in the past year. M 50 2 months
1X day
6/24/2010

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