SINGULAIR Reviews

Average Rating: 2.1 (1354 Ratings)

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 ANTIASTHMATICS BRONCODILATORS

 Type: Rx Drug
  

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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  Allergies Side stitches/pain on my left side, heart palpitations, increased resting heart rate, diarrhea, sinus congestion, becoming more aggressive, less patient, odd muscle and joint pains I'm sure this works for someone but not for me. I also take levothyroxine and ortho cyclen along with zyrtec, flonase and daily multivitamin and pre/probiotics F 37 3 days
10mg 1X D
12/2/2021
 1  Urticaria/food allergies Developed constant headaches and severe lower abdominal pain the first night of taking. Spent the next three days in bed with abdominal pain, sleeping about 18 hrs a day. Went to urgent care center for the abdominal pain, thinking maybe it was a terrible UTI. Had a UA done - nothing. They had no answers. Day 4 came and I didn't take the meds, started feeling better within hours. The rash, the reason I started taking this drug, Montelukast, got worse in the three days I took it. Seems like I was prescribed this in almost an off label manner for a rash that my allergist thinks might be food related. With the horrid side effects of this, I'd rather live with the rash. 53 3 days
10mg 1X D
10/10/2021
Email
 2  Asthma Extreme vaginal dryness, pain in upper left thigh, my typical patience is non existent, crazy dreams, and pelvic pain. Helped asthma, but I rather take my inhaler. I had no idea this Med caused pelvic/vaginal issues. Wish I was told of these side effects. Do not take if you have pelvic pain! So angry with my dr. F 37 3 months
10 mg 1X D
9/27/2021
 3  Allergy related ashtma My mouth has been getting dry, and vaginal dryness F 41 30 days
1X D
9/25/2021
 1  Severe allergies Singulair (an allergy medicine) caused me to have suicidal thoughts and I put a fork to my throat this morning over something stupid and my mom talked me out of it. I'm not the suicidal type and Singulair almost made me take my life. I also have had aggression, worse depression, rage, and not giving a rats booty on what I say to anyone. I talked to my mom like she was a dog and I'm not that kinda person. I even cussed my own husband out a couple times. I would NEVER talk to anyone like that! I was literally scared of myself. I even broke something of my great great grandmothers and it was one of the last objects my mom had of hers. I'm not the violent type at all. I'm hoping within a few days I can start feeling better. This medicine needs to be taken off the market. F 28 40 days
30mg 1X D
8/12/2021
Email
 1  Mild Allergies (Headaches) Pain in left leg on the upper inner thigh I went to the doctor to figure out what could be the cause of persistent headaches everyday. My doctor prescribed me montelukast being that I don't take any allergy medicine. I've taken the medicine for 2 nights and on the second night my left leg got so tired and I had a restless night because I couldn't get my leg to stop hurting or feeling tired. 4 days later I cannot walk without my left leg hurting nor can I lay down without it hurting. When I try to stretch it out it causes more pain. I do not recommend this medicine to anyone. F 25 2 days
10MG 1X D
7/9/2021
 3  Allergies After two and half months taking Singulair I started noticing a twitch under my left eye, and Iíve had it for almost two weeks. When I thought about anything I did differently, the only thing was starting this medication. Iíve had an eye twitch before. It does it for a little bit and goes away, but not this one. My legs feel jumpy lately as well. I also have brain fog and thought it may be due to my allergies, but it seems worse lately so maybe has to do with this as well. I also have ear fullness/pressure. My doctor suggested I stop taking this medication. I am curious if these symptoms will go away. It did help me for the reason I was taking it, but if itís why my eye is twitching, Iíd rather that go away. F 48 3 months
10 MG
6/3/2021
 1  Asthma Singulair ruined me. I'm not the same person any more. Don't take this. It will make you go insane. Just don't take it. M 21 4 days
15 1X D
6/3/2021
Email
 1  For MCAS I took it in the evening. Had stomach pain falling asleep and felt queasy, but that isn't unusual for me. Woke up at 5am and sprang out of bed, ran to the bathroom. Was in there for 5 hours, puking, diarrhea, horrible nausea, stomach pain, anxiety, etc. i have a fear of vomiting so it made it worse too. The weirdest thing is that i has to take off my clothes and get my body freezing cold to make the nausea better. I took a bath at one point once i was feeling better, getting hot again started everything all over again. It is 11am now, as long as i keep myself freezing cold (muscles shaking and hurting level of cold) then I don't puke. I am utterly miserable. My body has been so cold for so long because that is the only thing that helps. I have never experienced anything like this before. I am disappointed because I really wanted this med to work. It is important to mention that i have digestive track paralysis and my reaction to this med may have been a lot stronger because of my pre existing disease. Don't let it completely deter you, because the side effects may not be as bad for someone else. F 22 1 days
Idk 1X D
5/23/2021
Email
 1  Sinusitis Repetitive strong hiccups all day and all night. M 59 10 days
10 mg 1X D
4/20/2021
 1  Minor allergies Repeated sore throats, tingliness in face and arms, restless legs, increased anxiety, insane insomnia, worsening asthma (maybe caused it), worsening allergies, migraines, blurred vision, unsteady, dizziness, sore muscles, pelvic pain, deceased libido, issues with constipation, abdominal pain I am mourning my health and mind that singular stole from me and am devastated. Doctor doesn't even believe this drug caused it. F 25 3 years
10 1X D
4/11/2021
 1  Uncontrolled asthma Unbearable left abdominal pain, back pain , numbness, dizziness, shaking, depression , wanting to hurt myself , anger , fast heart rate , chest pain , pins and needles , not being able to sleep , nightmares, seeing things and hearing things they where not there I started taking this bc my doctor told me to did not warn my mum or me about the side effects after about a month things went down hill with abdominal pain unable to sleep ext 6 months later no doctors could figure out what was wrong with me untill a few nights ago I seen a video and decided to look up the side effects and there it was it took me 6 month I'm in severe pain to find out it was this and no doctors figured it out I'm still in the tablet I'm waiting for my doctor to get back to me and tell me it's safe to come of DO NOT RECOMMEND PLEASE WATCH FOR SIDE EFFECTS THIS HAS RUINED MY LIFE AND IK I WONT BE THE SAME !!! F 14 7 months
1X D
3/19/2021
 3  Severe asthma and allergies Irritability, anger, frustration, depressed mood. I have been taking this for 2 years and it really keeps my asthma under control but I have always been very level headed and patient and lately I have felt just sooooo quick to anger. I stopped taking and it is like a valve has released way less angry and more happy. It is hard though because it really helps my asthma so much. Allergy season is hard to get through without it. F 36 2 years
10 mg 1X D
3/15/2021
Email
 1  Sinus Inflammation Loss of appetite, major hair loss( hair falling out in clumps) , mood swings, panic attacks, depression, thoughts of suicide, weight loss, personality loss, INSOMNIA. Highly don't recommend. I stopped taking it 3 days ago and already starting to feel better. Completely lost myself for about a week or two. Doctors try to talk you into taking as if it is a well reputable drug and it is not. I cannot even believe it is FDA approved. F 21 8 weeks
10 MG 1X D
2/27/2021
Email
 2  Allergy induced asthma Stomach pain, nausea, fatigue, anxiety, palpitations It worked somewhat for my asthma but it gave me nausea and horrible stomach and abdominal pain. Also made my anxiety worse. I did not know what my stomach pain was from until I looked up side effects of this medication. F 59 3 weeks
1X D
1/29/2021
Email
 1  Allergies Severe mood swings and agitation. Headaches and fogginess. Runny nose Terrible! Not advised on side effects F 52 3 months
10 mg 1X D
12/9/2020
 5  Allergic Rhinitis & Post Nasal drip No side effects. Love it, I don't take any other hay fever medication, F 58 14 months
10mg 2X W
11/21/2020
Email
 4  allergic rhinitis No side effects yet. My nose feels great. I hate this season in the city. It is very difficult to live sneezing all day. I take it with loratadina and I feel great. Hope the side effects everyone has don't affect me. F 33 15 days
10mg 1X D
11/10/2020
Email
 1  allergies/asthma severe stomach pain, vomitting, diarrhea, headache, dizziness, mental confusion, brain fog, memory issues, word retrieval issues, depression, lack of empathy, no desires(sexual and physical touch), isolation, fatigued, no sleep, nightmares, and hopelessness. Do not take this medicine!!!! It changes your quality of life and you don't even know why or how it happened. I found out when I was checking singulair's interaction with supplements I was going to take to help with my brain issues and found this site and saw the same symptoms happened to other people. I have since stopped this med and in 2 days my brain issues started improving in addition I'm happy again....... F 52 8 months
10 1X D
11/5/2020
 1  Asthma Depression, anxiety, sleep disorders, decreased mood for many many years, weigh gain (unable to lose any weight), self harm. This medication has helped my asthma, yes.... but it is not worth the declining mental health and weight gain it has caused me.... the anxiety attacks, depressive episodes, weeks of staying up til 3 or 4 am from insomnia, the difficulty losing weight but overall the loss of myself and who I was before this medication is what hurts the most. F 21 11 years
10 mg 1X D
10/23/2020
  

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.   (Sources: U.S. Centers for Medicare Services, FDA)

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