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  Chronic Rhinitis This is by far the scariest med I have ever taken. On the positive side, it did give a minor improvement to sinus and bronchial congestion, but the side effects were enormous: headaches, nausea, strange adrenaline rushes, muscle cramps/aches, insomnia, OCD, major depression, and probably 5-10 more I can't remember. After describing my symptoms to my GP, he told me to stop it immediately and throw the rest away. I did and guess what: all the problems stopped within about 1-2 days. As I said...scary. M 44 3 months
10 mg? 1X day
2/10/2011
 1  allergies Severe Mood swings, violent behavior, easily agitated, mild-moderate depression. No energy or reason to go on. Panic attacks. Some people may do fine on this drug but not me. F 9 3 years
6 1X day
2/9/2011
 2  Asthma Continuous stomach ache, nausea, didn't feel like eating, leg pain, easy to cry, sad, constantly said she wanted her stomach pain to go away. Our five year old daughter has taken Singulair for just over a month. I was going to call the Dr. because of her constant stomach ache (my husband and I originally thought she was nervous about school, swim lessons, something), but when her aches started every weekend, we knew something wasn't right and she wasn't just "nervous." She has had these symptoms for one month (almost exactly the same time she started Singulair) and luckily a lightbulb went off in my head to check the Singulair side effects. Are we ever so happy to see this website. Effective immediately, we are stopping the medicine. It did help her ashtma conditions, but these negative side effects outweigh the benefits. Thank you so much for this useful information! F 37 42 days
1X day
2/8/2011
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 5  Asthma None Excellent M 20 180 days
Standard 1X day
2/5/2011
 1  Allergies Severe anxiety, heart palpitations, constant panic attacks, unusual behavior and thoughts, very upset and easily aggitated, unusual dreams and hallucinations, GI disturbances I cannot understand how several doctors insist that this is such a wonderful drug. It works therapeutically for asthma but the side effects are horrendous. Drugs work differently on individuals but the ratio of this drug benefiting any individual is outweighed by it's adverse effects. I began taking Singulair in October 2010 and my entire life has spiraled downward. The panic attacks and constant anxiety would never cease. I have been to several doctors and have spent so much money on trying to find out what was wrong with me. It got to the point where I was almost incapable of functioning. I was having 3 to 4 panic attacks weekly and ended up in the hospital on a couple of occasions. I have my bachelor's degree in Psychology and I am currently in nursing school so I was struggling horribly with this turmoil. For those who like to comment on this page and say that maybe we are just crazy and that singulair has worked for them, well that is wonderful in their case. But clearly any intelligent person can see that this many people CANNOT make up all of these side effects. This drug has hurt my relationship and has affected my 11 year old daughter. I started counseling because I am highly against the use of anti-anxiety/antidepressants and of course every doctor I visited said, you are just having anxiety and stress because of school, let me write you a Rx. for an antidepressant. That is not normal but unfortunately that is what is done in todays world. F 29 4 months
10 1X day
2/4/2011
 1  Asthma & constant resp infections Agression, screaming, tongue twitch, My gorgeous kind hearted little boy turned into a monster within a day of having this horrid drug. We were warned about possible side effects but that they were highly unlikely & I was so keen to just get him well I foolishly gave him the chewable medication. As of the next day he started screaming uncontrollably, hitting his siblings, throwing everything he could when couldn't get on way, throwing things at our dog, being completely defiant and totally out of character. In last two days keeps sticking his tongue out and twitching it constantly which he has never ever done before. Have probably only ever had to put him in time out a handful of times in past but this week he has spent nearly all of his days being sent to time out. He even bought me to tears today as he tried to hit me which has never happened before. Thank goodness i found this site. No more singulair for him and I feel so terrible for thinking the worst of him when now I KNOW it's the drug and not him that made him act like that, and feel worse still that I let him take it! A person can't change their personality overnight however that is exactly what happened when i gave my son singulair. DO NOT USE IT - M 3 5 days
1X day
2/4/2011
 1  Allergies, RAD Irribility, agressive defiant behavior. My daughter was prescribed this medicine for allergies to prevent symptoms of RAD. After a couple of days we noticed her behavior change as she became very agressive and irritable and very defiant. I have stopped the medication and since her behavior has improved. I will ask her doctor about alternative meds such as Allegra or Clarinex. F 2 2 months
1X day
2/3/2011
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 1  Allergies I suffered from a sever anxiety disorder and agoraphobia from taking this medication. It took doctors over three years to finally discover that Singulair was what was causing the anxiety. I also know four other people who have had the same problem. One of them hasn't left their house for three weeks because their anxiety is so bad. DO NOT TAKE THIS MEDICATION! F 23 4 years
10 MG 1X day
2/3/2011
 1  Chronic Rhinitis, Asthma Anxiety, depression, loss of control, leg pain, etc. I had no idea when we started our daughter on this drug several years ago that it had the impact that it did. My daughter has had many lung/nasal issues her whole life and started Singulair in combo with other drugs when she was about 3. When she was 5 her teacher mentioned that she seemed to "zone out" often. In 1st grade her anxiety ramped up and she was caught poking herself in the arm with a pencil. This is when we started her in counseling. We stopped Singulair in the summer between 1st and 2nd grade because we thought she didn't need it anymore. She flourished in 2nd grade and we thought it was due to the counseling. This spring we started her back on Singulair for her nasal issues and by the end of the summer we noticed that her behavior had regressed. She was anxious, kept saying that her brain was telling her what to do, several OCD-like actions that she couldn't stop, she felt "weird", unable to cope with small annoyances. Her counselor and I were perplexed. At a recent appt with doc for refill of Singulair she mentioned the side effects. I was appalled! It all started to make sense. We stopped the drug that night and she has been slowly improving. The major impact has been on her anxiety. She is so much calmer and happier. This drug is EVIL!! F 8 5 years
5mg 1X day
2/2/2011
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 1  Asthma Severe Anxiety, Halucinations, OCD type behaviours, Nightmares, sleepwalking. It should be banned! M 8 12 months
5 1X day
2/2/2011
 1   Within 90 minutes of the first dose, I experienced severe nausea and vomiting that lasted 24 hours; the concurrent feeling of panic, irritability and being hung over faded over 48 hours F 40 1 days
5mg 1X day
1/30/2011
 1  cronich broncitis and allergies I only took one pill last night. I had very strang dreams. did not get up till 11. Now feel very weird. Fearful with anxiety. Everything around me just looks strange. This drug should be banned !!! F 40 1 days
10 1X day
1/26/2011
Email
 2  exercise induced asthma anxiety, panic attacks, nightmares My 7 year old was prescribed Singulair during soccer season in fall. His environmental allergies and running cause asthmatic symptoms. After just a few days, he was like normal. He could run and be outdoors with all of his normal triggers with no reaction. This medicine does work, no doubt. But after about 3 weeks on the medicine, he confided that he had been feeling wierd at least once a day and couldn't make it stop. Upon further questioning, I realized he was experiencing panic attacks. He described that he felt like things were happening that weren't really happening, so I believe he was also hallucinating, or this could have been part of the panic attack symptoms. Lastly, he mentioned that he had some horrible nightmares about monsters recently. Knowing there are some serious psychological side-effects, we stopped the medication and anxiety and nightmares never occured again. If you do put your child on this, I would suggest asking them daily if they are feeling ok, as they may not realize things they are experiencing are abnormal or they may be embarrased to talk about it. M 7 1 months
1X day
1/25/2011
 1  Constant runny nose & cough moodiness, irratability, crying, sad. My extremely happy 6 year old daughter started takeing Singulair 20 days ago....within approx 3-4 days I started noticing slight changes in her personality. Figuring everybody has a bad day I didn't think anything of it but they became more often and more out of charachter. I started putting 2+2 together and kept coming back to when she started taking Singular. We just got back from the pediatrician and come to find out....I'm not losing my mind, nor is my daughter. He said to stop "cold turkey" and that he had had other patients who had similar experiances....like 1 in 20. The benifits of less of a runny nose were not worth it. I thank God that I caught on to what was causing the issues and I can't wait to get "my" daughter back. DO NOT LET YOUR CHILD TAKE SINGULAIR!! F 6 20 days
1X day
1/21/2011
 2  ALLERGIES BAD DREAMS, F 4 2 years
4 1X day
1/19/2011
 1  asthma severe mood swings, hallucination's,uncontrollable crying,thoughts of self harm. I have been off singulair for 2 weeks now side effects are now wearing off, anyone who is prescribed this drug should be warned of these horrendous side effects.did help with my breathing problems but is not worth the side effects, i thought i would end up being committed into a mental hospital i have never felt so much fear or out of control in my life,please think twice before taking this drug. F 38 4 weeks
10mg 1X day
1/18/2011
 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  2 kids had asthma symptoms Angry outburst. Couldn't explain 'why" they acted the way they did. Loss of appetite. Tired. We need to stop drugging our kids. We are changing who they are! DO RESEARCH. THE LONG TERM EFFECTS OF THIS DRUG IS NOT GOOD. TRY ASTHMA MIST OR OTHER ALTERNATIVE REMEDY. IF YOUR DOCTOR DOESN'T AGREE ...GO TO ANOTHER DOCTOR. F 33 3 years
5 mg 2X day
1/14/2011
 5  Asthma No side effects whatsoever. My son who is now 15 began taking 10mg of Singulair daily in combination with Zyrtec. His asthma has been completely in control but it took us years to get the right drug combination that worked for him. The drugs that contained steroids consistently resulted in significant mood and behavior changes. Fortunately we have not seen any of these types of symptoms with Singular. M 15 6 years
10MG 1X day
1/13/2011
 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
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