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  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
 2  allergic rhinitis unusual weight gain, unexplained anxiety While overall, the singulair increased my air flow at night to help me sleep better, I have experienced periodic bouts of anxiety for no reason. I have also had unusual weight gain in a short time (when usually pretty consistent)which I have seen mentioned at length on other sites, and is not a listed side effect. Please note too that the children's formula contains aspartame which can lead to many of the side effects I see listed. F 43 4 months
10mg 1X day
6/16/2010
 5  Asthma, bad cough, chest infections NO SIDE EFFECTS WHAT SO EVER. My 4yr old son suffered year after year with asthma, a terrible cough and chest infections. Each year would be worse than the other. He has been on 4mg once a day for the last 2 months and it has been the best 2 months of his life health wise. I have keept a very keen eye out for side effects and can honestly say, there are NONE. I will take him off Singulair in the summer months when there are no symptoms. But will put him back on when symptoms start up again. This drug has been a blessing for us I just wish it could be this way for eveyone else. M 4 2 months
4mg 1X day
6/13/2010
 2  allergies wild mood swings; manic behavior; hysterical crying Our Ped. Prescribed Singulair for our daughter in addition to Zyrtec for constant allergies, post-nasal drip, and mucus. When a 4-y.o. comes to you and tells you that she had a "freak out" in school, you know that there are problems. Each night at home she would burst into tears hysterically and scream on the top of her lungs at the drop of a hat. The episodes would last about 20 minutes. The moment I stopped the meds, her behavior went back to normal. It did help her sinus issues, but the side effects were not worth it. Reading all of these comments makes me realize that I was not imagining this as my Ped. suggested. Thank you for your posts. F 4 4 days
4 mg 1X day
6/13/2010
 1  allergy irrability, focus on suicide, self harm, change in mood, nose bleeds We have a 16 year old son, who has no history of depression or unhealthy ways of coping. Started a downward spiral, we did not know what was going on. He could not explain it,"I don't know" Took him to counseling for help, they did not have an answer, or see something we couldn't. Read an article on singlair, and was outraged and shocked, never Knew there was a possible connection. Stopped the medication. Waited... THe next day, our son was back. Each day was brighter and brighter. Would not have believed it, unless lived it. Have it documented by counseling as well. Hoping to follow up with someone who can get the word out. Our son's life was saved, and we would like to help others. Thank you M 15 1 years
10mg 2X day
6/12/2010
 5  allergies None OMG, I can not believe all the bad things I'm hearing about Singulair. I have been on this medication for two years for allergy season and it works wonderfully. When I got sick it took me a while to go to the doctor, which made my allergies even worse, but within the first week I started taking it I notice the difference. I breath better, I don't have any allergy symptoms and I sleep well at night. My bf has asthma and it works for him also. Are you sure you guys are not exaggerating? I work at a pediatrician office and most of our asthma and allergy patients are on Singulair and I have not heard any complains. The patient's parents like this medicine. I know that every medication works different for everyone. Some medications work good for some people and for others they have nasty side effects but are you guys sure that yall don't have something else going on in your lifes that is making you guys depressed and act crazy!?. F 23 2 years
10 1X day
6/11/2010
 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
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 1  allergies, chronic sinus problems Facial tics, body tics, very emotional, aggressive behavior While taking Singulair my son was 5 yrs old and became very emotional, he would cry at the drop of a hat over the smallest things. He also had sudden aggressive outbursts, which was not like him at all. He also developed several facial and body tics that soon became very severe to the point where he wasn't able to stop and couldn't function in normal daily activities. Within less than 24 hrs after taking him off of it we saw improvement of about 95%. I would not put any of my kids on singulair again, it's not worth it to us!! I highly recommend that any parent considering giving it to their child weigh the benefits and side effects before giving singulair to them. M 5 3 weeks
1X day
6/7/2010
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 4  allergies/asthma/persistant cough My son has not had any of these side effects. My son still has a post nasal drip cough but it is much better than it used to be. I wasn't aware of any of these side effects until a sticker appeared on his prescription this month. M 13 1 years
10 1X day
6/5/2010
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 3  Asthma & Seasonal Allergies Aggression, Mood Swings, Depression, Suicidal talk, Hostility, Irrational, Not caring about consequences, uncontrollable rage My son has been on this for a yr & we have noticed a tremendous change in him but we always blamed it on Zoepenex for his wheezing. I feel that the Singulair has controlled his asthma & allergies but we are about to seek help from a psychiatrist for his awful behavior. We started to read the side effects & are wondering if this is the problem. Met w/ his Asthma Dr. who says "maybe" & she recommended stopping it to see. We have decided to wait until the end of June when the pollen season ends. It's a catch 22, b/c if he wheezes off of it, then Zoeponex creates its own problems. I'm scared to see him have an asthma attack but I am very worried about my family. This situation is affecting all of us. We can't take it anymore!! Will report back soon what happens. He was never like this before all of these meds. M 5 12 months
4mg 1X day
6/1/2010
 1  Asthma I took both Singulair and Accolate which is in the same class of drugs when they first hit the market. I experienced tingling in my legs, visual changes, and memory loss. Everything but the memory loss resolved as soon as I stopped the drug, the memory loss gradually improved over a year or so but I'm convinced impacts me to this day. Clearly it wasn't worth the side effects, but the drugs made me 100% symptom free from my asthma. F 36
1X day
5/28/2010
 2  allergic rhinitis sore throat, vomiting, decreased appetite, increased aggression My 3 year old son commenced on singulair as a trial to reduce the allergic rhinitis. Discussed with his doctor today regarding behavoural changes and possible side effects. He was not aware of behavioural changes with this medication. We agreed to stop the medication as I feel it is affecting his mood and at times uncontrollable rage. I also think is appetite has decreased. I do not believe this is 'age related'. M 3 5 weeks
4mg 1X day
5/27/2010
 1  Asthma Moodiness, hostility, depression Discontinued use today, would rather live with asthma symptoms. M 50 2 years
10mg 1X day
5/26/2010
 4  air constriction Heavy coughing if one dose is missed I've read many of the comments and it looks like my son will be one of the lucky ones. No mood changes, is doing great in school, sleeps well. The only anger problems we are facing is with our 2 yr. old who is not taking any meds. but has had a change in grandparents who watch him for us. So don't be so quick on the meds check who they may be exposed to. But I will take him off the meds for the summer so the body wont have long term effects such as the liver. M 5 30 days
5mg 1X day
5/23/2010
 2  for adult asthma Within days of starting Singulair granules: full-body edema (swelling), feverish for 18 hrs after taking med, sweating in sleep, weird dreams, poor sleep, legs so swollen they would ache, gained 1 lb week of fluid per week, asthma worse due to boggy tissues, muscle aches & stiffness. In the 2-3 days after stopping, all side effects are resolving and I have been peeing out this extra fluid endlessly. F 41 21 days
8 mg 1X day
5/22/2010
 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
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 1  Asthma and Allergies couldn't sleep!!!!!!!! It helped some of my congestion but I didn't really see much of a difference with the asthma. Never had problems sleeping at night, but on this medicine I did. I took it at night, and I couldn't sleep. Out of the 4 days I took it, I would get 3 or 4 hours of sleep every night. The 4th day I took it, I didn't sleep AT ALL and couldn't fall asleep during the day. I didn't take it the next night, and slept perfectly. I didn't wake up once during the night. Never taking it again F 20 4 days
10 mg 1X day
5/18/2010
 1  ASTHMA NEGATIVE SELF-TALK, AGGRESSIVE BEHAVIORS, GENERAL NEGATIVITY, LISTLESSNESS, SLEEP HALLUCINATIONS FOR 2 WEEKS AFTER STOPPING DRUG - NORMAL KID NOW! MY SON IS 5YEARS OLD AND IS IN SAO PAULO BRAZIL , I CANNOT BELIEVE WHAT I AM READING,IT WORKED WITH THE RUNNY NOSE AND COLDS THAT HE WAS GETTING ONCE A TWO MONTHS,BUT ALL OF A SUDDEN MY SON IS MISBEHAVING IN SCHOOL, NOT STAYING IN HIS SEAT, HITTING OTHER CHILDREN, HE HAS NEVER BEEN LIKE THIS, I STARTED WORRYING ABOUT ADD OR ADHD, UNTIL THE THOUGHT CAME TO MY MIND THAT HE STARTED ACTING THIS WAY AFTER HE STARTED TAKING SINGULAIR, I AM DEFINATELY TAKING HIM OFF THIS MEDICATION!!!! DO NOT RECOMMEND THIS DRUG TO OTHER PARENTS. 5 YEAR OLDS THAT SUDDENLY AG AGGRESSIVE BEHAVIORS ARE INFLUENCED BY A DRUG!! YOU KNOW YOUR KIDS!! BELIEVE THE PARENTS WHO LOST THEIR CHILDREN AND LEARN FROM THEM. DOCTORS ARE NOT THE ALL KNOWING WHEN IT COMES TO YOUR CHILD - YOU ARE! THERE ARE ALTERNATIVES, FIND THEM!!! M 5 2 years
04 MG 1X day
5/15/2010
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 3  asthma worked great for asthma, but then I began having leg cramps, at first mild, then severe, had to stop taking singulair Has anyone else experienced severe muscle cramps while on this medication? I am just wondering if others are having leg cramps. F 60 4 months
10 mg 1X day
5/13/2010
 2  allergies,asthma worsening of asthma, more frequent asthma attacks, mood swings, change in personality, depression, sleeping issues My doctor prescribed this medicine for my allergies and asthma. Within 2 weeks my asthma worsened. I was having more frequent attacks and my overall breathing went down hill. The more I tried to sleep, the worse I felt. On top of that my moods began to change quickly and without much reason. There were multiple times I would snap and be verbally combative with my boyfriend with little or no prompting. Other times I suddenly felt very sad without being to pinpoint any reason and could not hold myself together. Crying bouts and inability to deal with fellow employees at my workplace sky rocketed. The mood swings and freakouts also contributed to more asthma attacks. Before taking Singular I had been aware that it had some negative side-effects in children. I had no clue that adults had also had problems with it. I have no doubt this medication works well for some people. According to the labeling most people can take this medicine and reap the benefits without negative side effects. For those of us that it does NOT help, it's a very serious matter. I have discontinued use TODAY after my doctor realized something was wrong after the my last meltdown. F 21 1 months
10 1X day
5/12/2010
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