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
 
 3  Allergies Ear infections, eczema, trouble sleeping, lethargic, bouts of general unhappiness/depression Seemed to work great for the 1st month, then my ears started bothering me. I've had an ear infection of some sort, and eczema in the same ear that has lasted for over 2 months. Been on antibiotics, anti-inflammatory and anti-fungal ear drops and creams, and nothing works. Am now weaning myself off to see if the Singulair is to blame. F 33 3.5 months
5/17/2009
 2  Allergies/Predisposition to asthma Screaming, hitting, threats to herself, lack of focusing, uncontrollable rage, crying for extending periods of time, lack of appetite, tired, very emotional, disregard for consequences of actions. My daughter is 6 and has been on Singular for 3 mos. now. I thought her behavior changes were related to her father being deployed but, I realized she had never acted this bad before and it was getting increasingly worse. What is worse, she knew she was acting bad and wanted to change. I started considering other reasons and looked up the side effects of Singulair and I had a big A HA! moment. I felt so bad looking back at all the punishments/time outs, etc. Luckily, you don't have to wean it and I am stopping today. Her teacher was saying how she was starting to lose focus at school and scream at other children that bothered her which is totally not how she used to be. F 33 3 months
12/27/2008
 2  allergies weight gain and nightmares Singulair seems to work pretty well for my allergies -- better than other oral medications. But the side effects are not worth it. Gained 10 pounds in 30 days (clothes are fitting much tighter), even though I continued my regular workouts with a personal trainer and did not change my eating habits. The only thing that has changed about my routine the past 30 days is taking Singulair -- so it is the only explanation for the weight gain. It also has been causing horrible and vivid nightmares -- the type that stay with you and bother you for days after. I'm stopping the Singulair as of last night and looking into immunotherapy. F 33 30 days
5/1/2006
 2  Allergies My allergies have left me feeling fatigued and congested. I have also experienced sinus pressure, sweats, feeling feverish - but without an actual fever. My throat has been continually sore and nothing has relieved it yet. I typically take Allegra in the morning, Zyrtec at night and Flonase two times a day (morning and night). I started Singulair based on my doctor's recommendation that I may need a medication stronger than what I have been taking. I have been taking Singulair for 3 days now. Day 1 was okay; I did not notice or experience any side effects. On day 2, I started to experience nausea and abdominal cramping. When I looked at the side effects information that was printed out for me by the pharmacist, I did not see these side effects listed. Speaking with a nurse at the doctor's office, I was also told these were not side effects of the medication. Not even listed as an uncommon side effect. I was told this medication just does not provide these side effects. However, with F 33 3 days
10 MG 1X day
4/17/2017
Email
 1  Mild asthma, post-nasal drip Rage, anger, dizziness, anxiety, depression, migraines, muscle weakness, unexplained bruises, confusion, feeling too hot, feeling too cold, more infections, ear pain, sinus pain, flu-like symptoms My doctor convinced me when I first started taking Singular that it could not possibly be the medication causing me to have a variety of side effects like anger, rage, dizziness, muscle weakness, etc. Over time the side effects got worse. I went to a Psychiatrist 6 months after starting Singular and got prescribed an SSRI to help with anxiety. This helped for a while. After taking Singulair for 4 years, it suddenly got worse. I was convinced there were voices inside my head telling me to move (I moved across the country), but side effects didn't stop until I stopped the medication. It's been 4 days since I stopped Singulair, and still don't feel normal. So please, if you're considering this medication please be careful and let someone know that this medication can have certain effects on your mental well being. In my opinion, Singulair/Montelukast should be taken off the market for most situations. M 33 4 years
10 1X day
7/3/2023
 1  Asthma/allergies Arm numbness, dry cough, stomach pain and flu symptoms. F 33 6 days
10mg 1X day
3/28/2012
 1  asthma Severe anxiety, panic attacks, horrible diarehha and stomach pains Worked fantastic for asthma but caused severe mental problems F 33 14 days
10 1X day
9/1/2010
 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
 1  Asthma Aching joints and back, heart burn and very severe dizziness, throat swelling up and asthma made much worse. Horrible drug. Which I'd known about the side effects. It's been 2 weeks since I stopped taking it and still getting severe dizzy spells, so bad that it's effecting my work. Will never recommend. Made my asthma worse and the joint pain almost beyond bearing. Avoid. F 33 6 days
10 1X day
11/26/2011
Email
 1  mild asthma I developed a horrible headache -- worse than a migraine -- and began vomiting within two days. I also couldn't concentrate or remember anything and it felt like I had suddenly become stupid. I didn't realize I was experiencing side effects until I went online on the fourth day and found websites devoted to people complaining about this medication. Right away I threw the bottle in the trash. The headaches persisted for a few more days, requiring an emergency visit to a quick care facility where i was given hydrocodone and a shot of some painkiller. Aside from the side-effects, this medication treated my asthma and I didn't need an inhaler at all, even while exercising. Still, the side-effects were so crippling that I'd never take this again or recommend it. F 33 4 days
3/31/2005
 1  Allergic Rhinitis My daughter (3.5 years old) was given Singulair by her pediatrician in an attempt to curb allergies that badly disrupted her sleep. The past two nights that she was given the prescribed dose (4mg chewable tablet) she has had extreme panic attacks. I am taking her off this medicine now that my suspicion has been validated by all that I have been reading here. I was not advised by neither the pediatrician nor the pharmacist of ANY side effects this drug may have. I do NOT recommend anyone take this or any drug without doing some research first. ALWAYS tell the Dr about the side effects you have experienced. I also recommend reporting side effects to the FDA (1-800-FDA-1080)in Canada call Health Canada at 1-866-234-2345). F 33 2 days
5/7/2009
 1  Allergies Depression, Temper tantrums, night sweats, gagging/vomiting, nose bleeds, eczema, no energy My son has been on and off singulair since he was 2.5 to prevent ear infections. After his Dr. increased his dose to 5 mg and told me how important it was for him to take it everyday to prevent allergy symptoms we lost our son. If not for a very special pharmacist giving me warning about possible depression when refiling his Rx I think my son's life could have been altered forever without us even knowing why. He has now been off for 2 weeks. I have my son back. His energy level is back and he is smiling and happy with no other strange symptoms. Medical providers should really think twice about giving this med to children. F 33 3 years
3/21/2009
 1  For daughter's sensitive airway/lun Daughter age 4 years old, was on Singulair for 3 months to prevent onset of asthma and to strenghten her lungs. She experienced nightmares and aggressive/weird behaviour throughout the period. She would wake up screaming in the night, and then walk out of the room and sat on the floor in the hallway. Some nights she would choose to sleep on the floor and nothing can persuade her to go back to the bed. In the daytime, she was hitting her granny, the nanny, her father and also hurting herself if she couldn't get her way. She would throw herself on the floor in fits of anger. No child should be made to suffer like this. The drug should be recalled. My daughter was back to her loving self two months after we stopped the medication. I will not relive those Singulair days again. F 33 3 months
6/25/2009
 5  chronic sinitis,night time coughing none better than claritin,bendryl.no more night time coughing,its been just 5 days taking it and i feel great. F 32 5 days
7/13/2009
 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
 4  allegies and asthma I take the medication at night. It makes me extremely sleepy. I have noticed a slight change in mood,I am a little more emotional and I have very vivid emotional dreams. But at this point the improvement in both my asthma and allegies has been so significant that I will continue taking it. I would like to note that My doctor wants to wean me off in a few months to see how my body will do on it's own. Since I have almost no need for my rescue inhaler and I honestly feel better. I have been on lookout for the negative side effects since day one but so far so good. I seem to tolerate this medication quite well. F 32 37 days
10mg 1X day
3/18/2011
 3  Allergies Agitation, Irritability, Hypertension, Heartburn Singulair worked better than anything else I've tried for allergies hands down; however after about a week I noticed that I was getting very agitated and irritable all the time, my blood pressure was suddenly about 20 points higher than normal, and I was getting constant low-grade heartburn. Taking Singulair was the only thing that had changed, so I stopped taking it and within a week was completely back to normal (albeit with allergies again). M 32 14 days
8/8/2009
 2  Allergies Hot flashes. Tingling sensation in my feet, arms and right side of face. Tightness of breath. Diziness and sharp headaches. Unable to focus. Anxious and just the general feeling that I was not myself. M 32 4 months
4/10/2007
 1  seasonal allergies / sinus infectio headache, hives, rash, trembling, fatigue It seems as though I had an allergic reaction to an allergy medication - imagine that! I had an itchy rash that spread from my face to my scalp, neck, back and shoulders before good ol' Benadryl fixed it. I'd take this medication with extremem caution. F 32 14 days
2/13/2007
 1  asthma symptoms for 4.5 year old emotional, irritable, tantrums, crying over everything, angry, extreme hyperactivity our pediatrician prescribed this for our daughter's mild asthma symptoms to be taken as needed. she was on it for 4 days and they were unbearable. it took me a while to put it together...i kept wondering what was going on. i did more screaming in those 4 days than i have done in her lifetime. she was completely out of control and angry about everything, throwing tantrums, and was completely disobedient. on the 4th day i called the dr. and asked if her behavior could be at all related to the medication and was told "absolutely not." i was not satisfied, so i searched and found 14 pages of people describing the same thing. i feel vindicated, but also very sad that i gave her this medication in the first place. it needs to be taken off the market for children. F 32 4 days
9/19/2009

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