MUCINEX Reviews (GUAIFENESIN)Average Rating: 1.8 (149 Ratings)Filter ResultsCompare MUCINEX with similar:
Type: Over-the-counter Drug
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Results are sorted by Gender with females listed first (reviews with no gender reported listed before females). Key to Ratings: 1=LOW (I would not recommend taking this medicine.) |
Charts & graphs: Drug Safety Information
| RATING | REASON | SIDE EFFECTS FOR MUCINEX | COMMENTS | SEX | AGE | DURATION/ DOSAGE | DATE ADDED |
| 4 | Very bad cough | Only side effects. Awful smelling gas. | 61 | 3 days | 3/22/2020 | 1 | Feels of mucus in my throat | I wasn't aware of the side effects until reading other posts. Gas, drowsiness, and anxiety/panic attacks. Took 2 pills the first day, 12 hours apart, didn't take it the second day but took one pill the third day. I was taking extended release tablets. | 65 | 3 days 600 1X day | 10/28/2022 | 1 | Sinus infection | Mucinex Sinus Max - nervousness, nauseated, jittery, took @ 10pm. Slept til 2am & have pretty much been up since (24 hrs later). Got a little better @ about 15 hrs but then came back & diarrhea started! Miserable!! | 48 | 1 days 2 night pi 1X day | 4/23/2016 | 1 | Sinus pain | Second day, foggy thinking. Felt like I'd taken too much of a potent drug. I dont take any other medicine, so had to be the guaifenesin. Relieved to see others had the same reaction. Thought this was a truly safe drug as its been around forever. | I took generic guaifenesin. | 73 | 2 days 400mgs | 11/11/2018 | 1 | For bad coughing | I took mucinex dm maximum strength 9 pills worst medicine ever I had bad sideffects bad headaches nausea felt like I was out of it constipation no appetite I eat something and then I belch and feel sick I want my appetite back I’m on generic for lexepro lamotrigne trazadone veriprimil for high blood pressure | How long does it take for 9 pills of mucinex dm maximum strength to get out of your system | 62 | 9 days | 12/6/2019 | 5 | Congestion | Worst anxiety ever couldn’t see felt like I was going to pass out couldn’t sleep was in a fog the next day !!!! Don’t take this stuff it’s horrible | F | 30 | 2 days | 4/30/2019 | 5 | CUZ MY ZPACK AINT WORK RIGHT!!! | NONE!!!! THIS SH*T WILL HELP YOU!!! PRAISE JESUS HALLUJAH!!!! This is the only sh*t that will help me!!!!! | Take it if you wanna live right yall | F | 17 | 3 days Idk bitck 1X day | 6/25/2017 | 5 | Broncithis | None | I love this stuff it's the only thing that helps me | F | 63 | 4 days | 2/9/2017 | 5 | chest cold | None that I know of. Only had the expected therapeutic effect of thinning secretions so expectorating mucus was easier. | I took the 12 hour extended release PLAIN Mucinex---guaifenesin is the ONLY active ingredient. I took one every A.M. so I don't know how it works at night. I suspect some people reviewing may be taking the Mucinex with an added decongestant. It's the decongestant that has side effects like anxiety, insomnia, and racing heart. | F | 49 | 4 days 600mg 1X day | 3/24/2017 | 5 | chest congestion/allergies | No side effects. | I also take the children's mucinex mini-melts. That's plenty for me. Cleared my chest up. | F | 23 | 2 days 200 MG 2X day | 8/31/2010 | 5 | flu/pneumonia | No side effects | This stuff works well... Coughing is key to getting the infection out of your system and this stuff really helped me have a more productive cough. | F | 29 | 3 weeks 1 1X day | 1/5/2011 | 5 | chest congestion | no side effects | i usually take 2 600 mg of regular mucinex before going to bed and usually after i wake up. it helps out a great deal. i also sneak in a children's mini-melts cough also. mucinex works so well! | F | 19 | 4 days 600 mg 2X day | 1/19/2011 | 5 | allergies, post nasal drip | None | It's the only thing that keeps me from getting constant sinus infections | F | 41 | 4 years 600mg 2x | 5/28/2015 | 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 | 5 | Chest congestion and coughing | I stopped coughing and could sleep right away! | F | 59 | 2 days Regular | 12/2/2019 | 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 | 4 | Cough | Bad gas! It made me have uncontrollable and smelly gas. Very embarrassing. But the coughing stopped and I was able to sleep. | F | 43 | 2 days 20mg | 3/9/2020 | 4 | Cough/Chest Congestion | Gas like you wouldn't believe. Surprised I could keep my pants on. Scared the dog several times. | Aside from making me blow ass like a massive cannon, it worked like a dream! Coughing was lessened within 20 minutes. | F | 39 | 2 days 20ml 4X day | 2/28/2020 | 4 | Congestion, nasal and in ears | Night sweats, but TOTALLY worth it. | My ears are still plugged up but all the other congestion is greatly reduced. I can't take steroids, so this has been a great relief. | F | 52 | 2 days 400 mg gua | 2/12/2015 | 4 | Congestion | I need to take this with a few glasses of water. I just take one tablet of plain mucinex and it relieves my stuffy nose and throat congestion. | I recently had a bad cold and it helped keep my lungs clear. I needed to have a productive cough. I still use one at night since I have annoying congestion lately and it helps. No noticeable side effects if taken with a lot of water. | F | 50 | 4 weeks 1X day | 1/17/2016 |