MUCINEX Reviews (GUAIFENESIN)

Average Rating: 1.8 (152 Ratings)

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 ANTITUSSIVES EXPECTORANTS MUCOLYTICS

 Type: Over-the-counter 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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RATING  REASONSIDE EFFECTS FOR MUCINEXCOMMENTSSEXAGEDURATION/
DOSAGE
DATE ADDED
 
 1  Mucus in lung Dizzy, diarrhea, vomiting, anxiety, panic attacks, feeling confused, scared to sleep, feeling like i'm dying. please please never ever take this drug! it is hell in a bottle and will make you feel like you are going insane. F 21 2 days
1 1X day
2/15/2021
 5  Chest congestion/ Allergies The only side effects that I am experiencing is smelly urine and gas. This stuff is great for if I'm having really stubborn mucus. Usually just treat with the children's grape flavored liquid Mucinex and that stuff works well. Thank you Mucinex for existing! F 33 1 days
600 mg 1X day
2/9/2021
 1  Cough Heart racing, sore stomach and extreme panic attacks. Around 20 minutes after taking this I felt an overwhelming sense of “doom” like something bad was going to happen, pacing the room, feeling like I couldn't breath. I had chest pain and my heart was racing and also had bathroom urgency, this lasted 11 hours and resulted in a trip to the ER as I was sure I was having a severe allergic reaction. Turns out it was the nasty side effects. F 26 1 days
200mg 2X day
1/18/2021
 1  Cold HORRIBLE DEATH DRUG!!! Heart racing, terrible anxiety, awful dizziness, crazy headache pain, eyes hurt, cannot sleep, ongoing panic attacks, all this after only one pill. Im writing this about 18 hours after I took just one pill and side effects are continuous and ongoing. Im just waiting for it to exit my system forever. I cannot function!! Stay away! Btw, I dont think these side effects have anything to do with age or gender. F 55 1 days
1 1X day
1/14/2021
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 1  Sinus Problems Do not take this medication! It won't help you! I was having severe side effects: dizzyness, lightheaded, nausea, hot flashes, panic attacks, and anxiety. It also made me feel jittery! I had to go to urgent care and all they said was to let it run it's course! It's horrible. My brain felt like it was shaking. Don't take this. If you have mucus problems I recommend NeilMed rinse! Do NOT take F 19 2 days
1200 mg 1X day
1/8/2021
 1  bronchitis i took the pill around 6 or 7pm to begin with, because i was wanting to help my bronchitis after an hour or so i start to fall sleep but waking up with anxiety that end up in a several panic attacks getting worst with the time i thought i was ending up in the hospital with a heart attack! i don't think is the safe thing to do, i have never ever experienced such thing like i did F 42 2 days
30 mg 1X day
1/5/2021
 1  Nasal congestion and cough I've taken this in the past with no issues but this time I experienced nausea, diarrhea, heart palpitations, tachycardia, anxiety, tingling in arms and legs, dizziness, nervousness and agitation. Will never take again. Do not recommend. F 40 4 days
2X day
1/1/2021
 3  Chest Congestion Day one no problem. No other drugs - took one of the Mucinex DM tablets in the morning. It actually seemed to help my chest congestion. 24 hours later I took another to clear up what seemed was left of the congestion. Within 20 minutes of taking the second dose, an urgency to get to the bathroom set in... then 3 more times within 30 minutes. The remaining pills are going to the pill recycler. I wish I'd have checked this site before I took this stuff. Lesson learned and AskAPatient.com is now bookmarked. Mucinex DM 600mg guaifenesin + 30mg dextromethorphan M 63 2 days
600 1X day
12/27/2020
 1  Severe cough I would never recommend this! I fell asleep and woke up in such a panic and terrible anxiety and foggy! I could barley see and at one moment I felt a numb cold rushing throughout my whole body and I was about ready to pass out. I was ready to go to the hospital because of the panic state I was in. I would never recommend this product to anybody. Never recommend F 22 1 days
1X day
12/9/2020
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 1  Bad cough and mucus..sore throat Extreme dizziness. Cant move. Feel like I'm going to throw up. Feels like I'm dying. Will never take this again and throwing it away so nobody in my house can take this nasty stuff! F 21 2 days
60 mg 2X day
11/29/2020
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 1  Bad cold OMG...The worst anxiety, restlessness, sleeplessness, and feeling very claustrophobic, very uneasy and not myself. I had to call for help and almost went to the hospital because of the state of mind I was in. Calling a mental health line crisis is crazy, and call me crazy, but these pills certainly did that. I am on my second day of not taking this medication and I feel a little bit better, but I am concerned for my mental health and seeing a doctor just in case if it's me, but after reading everyone else side effects I'm pretty certain it's this drug. It needs to be taken off of the shelves. Sad to say the first day made me feel suicidal because I wanted the feeling to go away so bad :( I have a 13-year-old daughter and I wish for her to never see me in that state of mind ever again. FU Mucinex Please warn anyone and everyone about this drug because it is dangerous. Yes it may help with your mucus and cough, but my understanding it's a whole different ball field for some people. possibly even DEATH!? F 33 12 days
2X day
11/14/2020
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 1  Chest congestion Bad Diarrhea the second day ,will never take again! M 2 days
1200 mg 1X day
11/12/2020
 2  Helped but the side effects... Really bad diarrhea. Running every few minutes to the bathroom. Helps with eliminating cough but because of the side effects will never take again F 20 1 days
1X day
11/11/2020
 1  Cough Intense anxiety, fast heart rate, sleeplessness, nightmares. I can't believe this drug is legal and available over the counter. The psychological effects are unlike anything I've experienced. It felt like I was high/ having a bad trip. F 23 1 days
1X day
11/2/2020
 1  Cold Diarrhea nervousness dry mouth F 22 2 days
20 ML 1X day
10/31/2020
 2  Sinus congestion Diarrhea, lack of appetite, and lethargy day after. Helped me sleep clearing up my sinuses though Took 1200 mg extended release M 21 1 days
1200 1X day
10/28/2020
 3  Chest congestion Racing heartbeat, flatulence- never had that problem in the past until just recently I noticed. The palpitations go away but I never felt that before. And it is not releasing the phlegm like it used to. Not sure what's happening F 39 2 weeks
1X day
10/11/2020
 5  Phlegm for weeks, esp at night Used extended release period for the first day, like others, I did have gas I am lethargic but I am also fighting off an infection. Otherwise, this has been a godsend! Kept me out of the ER and or urgent care. F 57 7 days
160 mg 2X day
10/3/2020
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 1  Mucus build up in chest, dry cough. I had taken this in the past and don't remember having this experience before but this medicine has never help me clear the mucus out of my chest but this last time I had terrible stomach pains and was instantly sick to my stomach. I stayed in the bathroom the remainder of the day and night and have some weird ass dreams in between bouts of running back and fourth to the bathroom. Don't recommend at all, make sure you read all side effects others have experienced as well, I wish I would have researched it before I took this nasty sh*t. F 26 1 days
30 MG 1X day
9/28/2020
 3  Cough Bad stomach pains..dizzy and felt very uneasy. 2 days after stopping still lightheaded. Can't wait to feel like myself again. It did help with the cough. But not worth side effects F 71 4 days
12 hour 2X day
9/27/2020

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