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  Allergy Induced Asthma Confusion, Headaches, Restless Legs, Depression, Inability to Concentrate, Anxiety, Insomnia, Sinus Infection, Fatigue, Dry Mouth, Mood Swings. This medicine can have disasterous effects on some individuals. While taking this medicine I experienced deperession and anxiety, which in return caused my grades to suffer. I do not recommend this drug to anyone. M 15 9 months
8/10/2006
 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
 3  Allergies/Asthma Diarrhea, abdominal cramps, irritability, very dramatic behavior (crying and screaming over anything and everything), lack of focus-unable to sit still, aggressive behavior, anxiety, hyperactivity, severe nightmares My son is 4 1/2 years old and has been on singulair for 3 years; this drug definitely helps prevent his allergy related asthma attacks, he has needed his inhaler maybe 6 times since he started on this drug. HOWEVER, we accidentally forgot to refill his prescription over Christmas vacation (Dec 2005) and within two days we noticed a dramatic change in his behavior; he was calm (very little drama), focused, happy, cooperative, just a happy 4 year old boy. We contacted our Family Doctor and he advised that the negative behavior, (that we always thought was his normal behavior), could possibly be a result of the Singulair and we decided to keep him off the drug to test this theory. His daycare giver and preschool teachers all noticed a dramatic positive change in his behavior. After a month off the drug we had to put him back on it as his asthma flared up again. The negative behavior came back full force and is still with us to date...the positives have outweighed the negatives. We recentl M 4 3 years
8/9/2006
 5  Seasonal Allergy and Asthma Progressive dizziness, brain fog, generally feeling "weird." I had to stop it because of side effects. Too bad because my breathing was wonderful while taking it. The dizziness got progressively worse and I didn't recognize that Singulair was the culprit until I read the comments on this page. When I stopped it, the symptoms all resolved within a week. F 42 30 days
8/7/2006
 4  asthma, seasonal allergies Taking it for last 2 years. This drug cured me for my asthma and cough. But recently after undergoing a regular checkup and blodd test, SGOT/SGPT chemical test were above normal range. Doctor could not find anything efecting the liver. So i am going to discontinue using this drug as of now. Other problems faced were ear infections, pain in legs, insomnia and weight gain. I could have continued using this drug but having a bad liver is a complete no no. does anyone has same problems with liver? email me at [email protected] M 37 2 years
8/4/2006
Email
 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
 5  allergic rhinitis none I've come to the conclusion that I must have had a mild form of asthma along with allergic rhinitis because within a day of taking Singulair my breathing, consequently my running, was significantly better. I took deeper breaths and had more endurance than ever before. It's amazing how one can exercise when you can breathe :) F 51 2 months
7/7/2006
 3  for chronic sinus infections I didn't know that they were side effects until I found all of the other people on this site talking about the same things I was experiencing. Crying uncontrollably for small reasons, moodiness, depression, anxiety, focusing problems. The biggest one for me...weight gain, which only ads to the depression. I have gained about 10lbs and a huge belly, I look pregnant. And frequent nausea and upset stomach. I stopped taking last night before visiting this website, feeling the weight gain might be a side effect. Now I realize that it has a whole long list of side effects I hadn't even thought about. I hope to feel better soon. I would rather live with the sinusitus than this. Would never take it again! F 35 30 days
7/7/2006
 3  chronic sinusitis/allergies fatigue, lethargy, muscle weakness I have been taking it for a week at bedtime. It does reduce allergy symptoms but does not work well enough to make up for the drawbacks. Although I yawn quite a bit through the morning, I generally do okay until mid-afternoon, when the real fatigue hits and I have trouble dragging through the rest of the day. This is upsetting because I've always been an active person. I am going to stop taking it as of today because of this. F 52 8 days
7/7/2006
 4  Allergies/Asthma Nighttime drowsiness, dizziness in afternoon, inability to remember, concentrate and focus, occasional headaches, occasional nightmares/night sweats, weight gain, water retention, decreased urination frequency, increased hunger I am a patient who is considered very healthy without any other medical problems and take no other meds except birth control. I never had any of these symptons until taking the medication. Over the last 4 months since beginning the meds, I have increased my caffeine intake to combat drowsiness without success. It is more of a dizzy-drowsy sensation and is different than the drowsines associated with allergies. Have weighed the same for 20 years and immediately gained about 10 pounds within 1 month of taking and am now up to about 15 pounds total after 4 months. Have a difficult time remembering, focusing and concentrating. Occasional nightmares with night sweats. Hunger comes on fast and strong and I eat more quantity rather than more often. Medication is otherwise effective and I have only had one asthma attack in 4 months versus 1 per week in the past. F 38 4 months
7/6/2006
 1  Asthma My boyfriend took Singulair for about 3 years, during the time he has experienced anxiety, brain fog, depression, eczema and some muscle aches. Being a teenager he thought most of it was due to changing hormones and such. For a while he could not afford his medication, until about ten days ago. All these syptoms have returned which has led us to believe they were side effects from Singulair. He is usually very laid back and quite happy, but would suddenly fall into states of aloofness, and would say that he could not fall asleep at 2 a.m. because he would have irrational fears that he would die. He has also been experiencing itchiness around his penis,and a significantly decreased libido, as well as some sores near his mouth. The only possible cause seems to be singulair though few have listed side effects to the genitalia or libido. After reading through askapatient.com we have come to the conclusion that he should stop taking Singulair, however his asthma is quite severe and we wish to find a new medication as soon as possible. We are currently looking at Claritin as an alternative to Singulair, but are trying to be more cautious about medication this time. The bottle which Singulair came in does not have drug ingredient information on it so we cannot compare it to Claritin. If you have any information about another medication as an alternative to Singulair, the ingredients in Singulair, experiencing similar symptoms as above from other medications, or the effects of Claritin in comparison to Singulair we would be most grateful. Thank you all so much for your posts, and we wish the best for you all. M 18 10 days
7/6/2006
 4  excercise induced asthma extreme fatigue,unexplained depression, mood swings M 63 6 months
7/3/2006
 1  allergy/exercise induced asthma weight gain/obsession with food, constipation/abdominal discomfort, extreme daytime fatigue and nighttime sleeplessness, itchy back and skin, vaginal dryness, trouble with contact lenses/eye dryness None of my symptoms were listed in Rx package inserts. I had convinced myself that my symptoms were abstract...never connected to recently beginning Singulair until I found these posts! Don't second guess yourself, trust your instinct! This may not be the right Rx for some of us! F 32 3 weeks
6/28/2006
 4  Asthma/allergies Vaginal dryness This is a wonder drug, it helped my asthma and allergies so much. I could breathe freely. HOWEVER, it dries me out completely, causing vaginal dryness, causing painful sex. I can't believe I"m the only one who has had this side effect. F 36 3 years
6/24/2006
 5  cough-variant asthma none Singulair has cured my daughter's cough in 2 days! She used to cough all the time for two month after every cold she had and we didn't know it was variation of asthma. She was also describing difficulty breathing as difficulty yawning and that childish description didn't really help understand what was going on. During bad allergy season she needs some extra help (Flovent, Nasonex), but does great all year on Singulair. F 34 5 years
6/8/2006
 1  asthma sudden negative change in mood and behavior. grand mal seizure M 9 6 weeks
6/8/2006
 1  alleregys depression, tingling in hands, very sleepy-missed work, headaches, nightmares, brain fog, made my tourettes worse. F 29 3 weeks
6/5/2006
 5  atopic dermatitis and asthma Increased appetite I love Singulair-- for me it's a wonder drug. When I'm on Singulair I can breathe freely, my skin doesn't itch, and I can even go outside without sneezing. The one disadvantage is that it stimulates my appetite, so I have to be very careful about what I eat. F 43 1 years
5/15/2006
 3  Allergies 1st day seemed good but felt druggy. Kept taking over weekend. Helped with the headache all day, but still having sneezing attacks in the mornings. Sunday really tired. Monday really tired at work and now I have a twitch. I will keep monitoring my symptoms. F 43 4 days
5/8/2006
 1  asthma/allergies Moody,unable to focus,rash back,exhausted,loss apetite,depressed,angry,can't cope. Seemed to wk. very well for allergies-was able to give up inhaler, but not worth the side effects. Still trying to connect the dots. Anyone trying this drug should monitor any changes very closely. *My periods got heavey and out of wack. Acne itch on back*-*Never had these problems before.* Feel like this drug may have changed my hormonal balance-trying to figure out. Have other ladies exp. this? Going to stop this drug today and see if I can get back myself. F 47 6 weeks
5/8/2006

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