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
 
 2  Asthma Fatigue, cluster headaches, concentration problems, weight gain, moodiness, leg cramps. Worked well for reducing asthma symptons. Was diagnosed with environmental asthma 4 years ago. Given a six month course of corticosteroids and started on singulair and an inhaler for attacks. Started putting on weight almost immediately with no lifestyle change, increasing exercise levels did not help. Weight kept going up every year even though I exercised more and more. I was doing college courses and my work requires reviewing documents and I found it extremely hard to concentrate and focus, mood swings were incredible (I blamed it on stress at work). After reading this site, I figured I would try going off it. Almost immediately concentration levels returned and not tired all the time, weight started dropping (no lifestyle change again). Stand by when going off, I had some bad nights and sinuses went crazy for a few days. But I feel like a new person, mood swings went away. Thanks everyone! I will go back to short term OTC/other options and discuss with Dr. next visit. M 45 4 years
8/23/2007
 3  asthma increased irritability, anxiety, emotional hypersensitivity, vaginal dryness and most of all...I CANT HAVE AN ORGASM!! I started looking for side effects of this drug due to my sudden sexual issues, and other than my birth control, its the only medication i take. I am a pretty normal female, i don't always have an orgasm with my partner, but i certainly know how to help myself..and suddenly, NOTHING was working. After reading these other comments, i am realizing that my intense mood swings over the past few months may not have been just situational. i mean, i have been argumentative and prone to outbursts like never before. i am rating the drug a 3, because it HAS done wonders for my asthma..i was using my albuteral inhaler at least 5-6 x a day, and with singular, i never need it. However, if i had children, i would never consider it an option, thanks to these posts. And, I cant live without my orgasms, sorry Merk. F 30 6 months
8/22/2007
 1  ashma and allergies my 4 year old started taking this med almost a year ago. he has had 2 ear infections a month ever since. he also is very moody. before he started on this med he was so loving and sweet and now he is not that way anymore. today was his first day off this med. i hope that it helps. his doc says that he does not need tubes. but something is not right. before he was on this he never had ear problems. M 4 1 years
8/22/2007
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 1  asthma/coughing High fever and cold symptoms. Night terror. My 2 year old son was prescribed because he may have mild asthma and coughs a lot at night. His allergy doctor prescribed it. He has peanut allergy, and cat/pollen allergies. The very first night on it, he got a high fever and came down with cold symptoms. The next day I left a message with the doc and took him off of the med. Within 48 hours, his fever went back down, and then the doc called and said cold symptoms are unlikely and put him back on it. I gave him a dose, and the very same night his fever went back up to 103.5. Then next day his pediatrician said take him completely off until he's well and then try again to see what happens. After reading the stuff on this site, now I'm afraid to put him back on it. I also recall that the week he was taking it, he had a night terror -- and he had never had one of those before. Could be related. I think I'll ask the doc for another way to relieve the coughing. I hate giving my kid drugs for the reasons discussed on this site. M 2 2 days
8/20/2007
 4  asthma I took Singulair for 3 years and have finally stopped it. I will say it did help, but the side effects were scary once I realized what the med was doing to me. At first, I thought there were no side effects and the medication DOES work very well for asthma. After 3 years, I finally realized that it caused panic attacks an anxiety. I also believe it has caused me to gain about 10-15 lbs. Once getting off, my body went through withdrawal (allergies flared up and I felt tired). I'm taking Allegra until those symptoms clear. Also, for you ladies out there, I really believe that my Loestrin (low dose birth control pill) is helping my breathing. We'll see what happens. Works well, but has hidden side effects. F 26 3 years
8/15/2007
 4  allergies My 4 1/2 son was one it for about 2 1/2 months. The medicine did work great for his allergy related problems, but the side effects were not worth it. It slowly crept up on us. At first it was behavioral issues; not listening, problems with sleep, not eating, then in one week he got into 3 different altercations with random kids--biting hitting, fighting. We were trying everything and i was at my wits end, thats when I looked up side affects and found my answer--it has been a life saver. I took him off the medicine (flovent Also) immediately and the severe aggression stopped. It has been 3 1/2 weeks since he has been off of both meds and my loving, sweet little boy is finally back. My Allergist Dr. did not agree with me--he said that I need to fix the problem and live with the side affects---we are not going to see him again. My Pediatrician was more cooperative and said to keep him off of the meds for a MONTH for it to fully get out of his system and then we will go from ther M 4.5 2.5 months
8/15/2007
 3  Severe allergies inducing croup depression, agression, compulsive behaviour, mood swings, nightmares, bedwetting, teeth grinding I'm writing this on behalf of my 4 year old as I sit here crying. I didn't know that an allergy medication that has done so much to help her breathing could do this to a child! Over the last few weeks her behaviour started to change toward repetative behaviours to the point where she wouldn't play with toys, had to be colouring and cutting out everything. The bedwetting came back, the moods and aggression I figured was a phase, but a week ago the depression settled in on her and she started to cry for no reason and couldn't tell me anything that was wrong, one minute she's outside bouncing a ball, the next she drops it and her head and starts to cry. This has been repeating since. Nothing else has changed - she doesn't have a babysitter or daycare, she's not been left alone with anyone. I'm a stay at home mom. She is an only child, so there's no sibling rivalry. I've been trying to figure out where my child has gone and where the monster came from. Now I know the monster is the singul F 4 2 months
8/15/2007
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 5  Allergies Wheezing None maybe sinus problem not sure if its caused by it or not. Great drug no problems makes breathing easy no wheezing! F 35 5 months
8/13/2007
 1  seasonal allergies/ asthma My 5 1/2 yr. old (for slight asthma/allergy) and my 3 1/2 yr. old (allergy/sinus problems) have been on this medication for only 4 days and they have both had severe personality changes: hyper, moody, don't listen, aggressive. NOT THEMSELVES! My 5 yr. old is being more strongly effected even though they're both on the same dosage. He's sad/happy/angry has started saying he hates himself, is hitting himself in the head...all out of nowhere! I SPECIFICALLY asked the MD if there were side effects to be concerned with..."oh no" he said,..."very safe". BULL! I figured I'd run a search on singulair side effects for my own peace of mind because I just couldn't believe their personalities could become so altered in just a few days for no reason at all! I found this web site...THANK YOU! My sons will no longer be taking this junk! God help all the families out there who are possibly having their children misdiagnosed with things like ADD/ADHD because of this terrible m I don't know if this stuff works or not...my 5 1/2 yr. old was put on it for preventative measures...he only uses an albuteral inhaler occasionally (seasonal allergy induced) and the dr. wanted to put him on singulair now to keep him inhaler free in the next few weeks as new allergens surface. My 3 1/2 yr. old was put on it for nasal congestion...he's still stuffy! M 5 4 days
8/11/2007
 2  asthma allergies increasing numbness in hands and feet, fasting blood sugar increase of 23 points into the pre-diabetic range [no family history], blood pressure increase, anxiety , slurred speech, headache, preoccupation with health and death, sadness Initially thrilled to be able to breathe through my nose, totally allergy free in high season, ebullient with relief from allergy/asthma symptoms, proclaimed Singulair as the med that changed my life. Now know that the change has been for the worse [except respiratorily], and am stopping it tonight. F 53 3 days
8/10/2007
 4  Asthma Intolerence to any type of heat or humidity I was diagnosed with asthma in December 2004. Through out my childhood I always developed bronchitis on a yearly basis so this did not shock me. My doctor is a lung specialist so I felt comfortable with his diagnosis. He tried me for 2 weeks on Advair which did nothing for the feeling like a rock was sitting on my chest. The next step was trying Singulair. I noticed an immediate improvement. No side affects at all. Since 2004, when I develop a cold, it always turns into a lung infection which requires me to go on predisone temporarily. One thing I have noticed since being on Singulair is that I have absolutely no tolerence for heat or humidity. I immediately get clammy and sweaty and have almost passed out on occassion when I have to be outside in those conditions. The only other medication that I am on is a 28 day birth control pill but have been assured by the pharmacist that there are no side affects between that and the Singulair. I have never had this type of reaction b F 32 2 years
8/2/2007
 1  Allergies and asthma Difficulty sleeping, bad muscle cramps, mood swings, very irritable, depressed. Though it helped with allergies and improved my breathing a little it was not much better than a generic allergy pill and definitely not worth taking in light of the side effects. M 66 5 months
8/1/2007
 5  Mild asthma None Taking 40 mg daily for past 5 years M 67 5 years
7/31/2007
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 2  my 7 yr. old daughter she is a high energy child who started experiencing very bad asthma and allergies at around 1 1/2 yrs. she was taking prednisone once a month for about 6 mos. and the dr. suggested singulair along with as needed albuterol and pulmecort inhalers. heavy medicine for a small toddler. she has been an intense child with mood swings, temper tantrums and extremely challenging for me. we tried herbs, which help, naturopath medicine and currently do vitamins as well. all of these things have helped, however i wonder, now that i am reading this, if singulair has created some of these symptoms. she often whistles and makes sounds obsessively. much of this is normal, but she is a bit more intense than most of our friends children when it comes to being stubborn and difficult. she has trouble focusing and listening to my words, like i have to repeat EVERYTHING 10 times, and my other daughter is not at all like that. i know this may sound totally normal, however, i spend alot of time with my F 7
7/31/2007
 1  Rhinitis Lethargy, grogginess, buzzing in head, dizziness, horrible ringing in ears, poor sleep. I took only 2 pills and felt like I had been drugged. I would sleep for 1.5 to 2 hours, wake up, then sleep again. In the morning, I almost couldn't get out of bed. The head buzz was awful. I have a permanent ringing in the ears but it was about triple the normal volume. I took my pills in the evening. The day after my second pill, I eventually got enough strength to start exercising in an attempt to get the drug out of my system. It pretty much worked. It is now 2 days beyond that and I seem to be back to normal. Unfortunately, my rhinitis is coming back along with its attendant problems. It's too bad because the Singulair actually removed all of my rhinitis for those 2-3 days. However, it is not worth the side effects as they make me feel worse than my condition does in the first place. M 44 2 days
7/17/2007
 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
 2  Asthma Headache, migraine headache, numbness in hands, fatigue, inability to concentrate, irritability, anxiety, severe tooth pain, muscle ache, stomach cramps, hallucinations, weight gain. I started taking this medicine almost two months ago because the old combination of asthma drugs were not working to keep me breathing easily. My doctor recommended stopping Qvar, kept me on Zyrtec and Nasacort, and added Flovent and Singulair. At first, I was breathing really well on this new regime. Then the headaches started. Then the migranes. Needless to say, this website has helped me to recognize some of the phantom symptoms which seemed so mysterious. The trouble with the symptoms I've experienced, is that they appear and disappear - except for the headaches and irritability. I'll be stopping this drug right away, and speaking to my M.D. about it... M 48 45 days
7/14/2007
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 2  Severe asthma heart palpitations, anxiety, achy muscles, restless, awoke at night every hour, fear of the worst happening. Asthma symptoms improved greatly, but side effects are intolerable. This is what it must feel like to do cocaine. Very upsetting to hear about the children that are having terrible side effects, heart goes out to you parents for your children. F 26 3 weeks
7/13/2007
 2  asthma/allergies I was 'sort of' fine the first 2 weeks, but the 3rd week brought on symptoms from hell. Sleeping problems (nightmares and feeling like I had electicity running through my viens)Extreme drowsiness & sleepiness in the day, mental fogginess, bone and body aches so bad I could not lay on my mattress at night. And I was unable to stay awake in the day - felt like I was drugged. Add to that water retention and face puffiness. Scary stuff this drug! Sadly, if it werent for the horrid side effects it would be great. My sneezing and nose dripping stopped, and my asthma symptoms improved! However, thanks but no thanks! They need to do some work with this drug. And why is everyone telling me (doctor and pharmacists) that this drug is well tolerated - when I read everyones comments it doesnt appear so at all. M 54 17 days
7/12/2007
 1  Sinus Rhinitis Depression, suicidal thoughts, nightmares, insomnia, irritability, constant PMS type symptoms, migraines (sick migraines - puking), dizziness, nausea, forgetfulness, anxiety, rapid heartbeat, exhaustion, loss of interest. I started it in May 2007. I had PMS type symptoms all through May and June. I couldn't stay asleep at night - would wake every hour or so and then take 2 hours to get back to sleep, then wake up an hour or so later. When I did sleep, I had horrible nightmares. My blood pressure shot up (it was already borderline since last year! 140/90). My heartbeat last week was 112 beats per minute. My blood pressure was 155/111. I was irritable, suicidally depressed (it was like it told my Cymbalta to take a hike!), exhausted, had anxiety attacks, and dropped weight rapidly (I've lost 22 lbs in 8 weeks). I don't know if the weight loss was because of Singulair, or because of Lean Cuisine, but I've lost 22 lbs. I stopped taking it on July 6th, 2007 and I'm almost back to normal. They really need to take it off the market. It's no good. F 36 2 months
7/12/2007

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