





💨 Breathe easy, cough less — conquer your day with DM 12Hr!
DM 12Hr Maximum Strength Chest Congestion & Cough Medicine delivers a potent 1200 mg dose of guaifenesin and 60 mg of dextromethorphan HBr in bi-layer tablets, providing up to 12 hours of relief from chest congestion and cough symptoms. Designed for sustained effectiveness, this 42-tablet pack supports productive coughing and long-lasting comfort.





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.
L**N
Works fast and effectively!
This cough medicine works wonders! It provided quick relief and helped me feel much better in no time. Highly recommend for anyone looking for something that actually works.
P**S
quality
good quality love it
A**R
It works
This stuff is an OG. Works very well.
B**N
Mucinex dm
Good value,recommended by my family doctor. Work well helped loosen mucus and control cough
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!
E**)
Great product
Heloed me a lot with allergies
Trustpilot
1 day ago
5 days ago