

💪 Breathe easy, cough less—12 hours of unstoppable relief!
Mucinex DM 12Hr Maximum Strength combines 1200 mg guaifenesin and 60 mg dextromethorphan HBr in bi-layer tablets to provide powerful, long-lasting relief from chest congestion and cough. Designed for adults and teens 12+, this trusted formula offers up to 12 hours of symptom control with a dual-action expectorant and cough suppressant, ensuring you stay comfortable and productive through cold and flu season.


























| ASIN | B0057UUHGU |
| ASIN | B0057UUHGU |
| Active Ingredients | Dextromethorphan |
| Additional Features | Fast-Acting |
| Age Range Description | Adult |
| Best Sellers Rank | #15,204 in Health & Household ( See Top 100 in Health & Household ) #252 in Cough & Cold Medicine #1,406 in Sales & Deals |
| Brand Name | Mucinex |
| Container Type | Blister Pack |
| Customer Reviews | 4.8 4.8 out of 5 stars (21,888) |
| Date First Available | June 23, 2011 |
| Dosage Form | Tablets |
| Global Trade Identification Number | 00363824072463 |
| Included Components | other |
| Is Discontinued By Manufacturer | No |
| Item Dimensions | 1.38 x 5 x 3.5 inches |
| Item Form | Tablets |
| Item Nype Name | otc |
| Item Weight | 0.34 Milligrams |
| Item model number | 7412860630021 |
| Manufacturer | Reckitt Benckiser |
| Manufacturer | Reckitt Benckiser |
| Model Number | 7412860630021 |
| Net Content Count | 42 Count |
| Number of Items | 1 |
| Package Type Name | Blister |
| Product Benefits | Acidity Relief |
| Specific Uses For Product | Chest Congestion, Cough |
| Target Audience | Unisex-Adults, Unisex-Kids |
| Target Use Body Part | Body |
| UPC | 363824072463 |
| Unit Count | 42.0 Count |
J**Y
Good product
Dries up my mucus very well
L**A
Works excellently to relieve cough and congestion
I have tried many cough and congestion products, and so far this Mucinex DM Maximum Strength has been the most effective for me. I feel real relief in my chest congestion, and both wet and dry coughs calm down quickly. The 12-hour effect is a big advantage because it keeps me comfortable all night without needing another dose. The quality of the product is exceptional; you can tell it’s well formulated and reliable. I haven’t experienced any unpleasant side effects, and the 1200 mg of guaifenesin is ideal for my needs. I truly recommend this product 110% to anyone looking for effective and long-lasting relief from cough and congestion. In summary, if you’re looking for a cough suppressant and expectorant that works well, this is the one to try.
I**L
Serious Cold Relief That Actually Works
I used Mucinex DM Maximum Strength 12-Hour Tablets (42 count) during a recent cold, and the difference was night and day. Within an hour, I felt my chest loosen up and my cough calmed down significantly. One pill really does last the full 12 hours, so I didn’t have to keep reaching for more medication throughout the day or night. What really stood out is that it worked for both my dry and wet cough symptoms—without making me drowsy. I was able to sleep through the night and function better during the day. The 42-count bottle is great to keep around for the whole family when cold season hits. If you’re looking for dependable relief that targets both cough and congestion, this stuff definitely earns a spot in your medicine cabinet.
M**K
Feel better, teach better
This stuff really does its job when I have a bad head cold without making me drowsy. You generally have to buy this from the counter (on Amazon, state your birthdate) because of its potency, but as a teacher, the price and added difficulty is well worth it. I generally sleep through the night when I take it and have a clear head during the day. Pills are a little on the large side, but I was raised by an ahead-of-her-time mom who had me taking vitamin supplements and eating healthy back in the 70s!
O**A
Use it only when you cough for a long time. It’s for cough with mucus from your lungs
Bought on sale, happy. Didn’t use yet and hope I won’t.
F**A
Must have for cold/flu season
Works well
N**E
Excellent
This is an excellent product. It help loosen my congestion and helped with breathing.
K**R
Essential
Very essential in my household. I have horrible allergies and I go to an ENT about every three months. Helps my sinuses drain and keeps my ears from getting any infections.
Trustpilot
1 day ago
1 month ago