- Quiets wet & dry coughs
- Thins & loosens mucus that causes chest congestion
- Starts to work right away & lasts for 12 hours
- Extended-release bi-layer tablet
- Mucinex is the #1 doctor recommended OTC expectorant among Internists, General Practitioners & Family Practitioners
From the manufacturer
Mucinex DM Powers Through Cough & Chest Congestion
Not all coughs are the same. Sometimes you can have a wet cough caused by mucus. Other times, you have an irritating dry cough. Some days it’s both. Whichever you’re dealing with, relief has arrived with Mucinex DM.
Cough
When you’re healthy, the cilia in your airways move mucus toward your throat to either be coughed up or swallowed. But with a respiratory tract infection (like the common cold), mucus can build up in your airways and lungs, so your body has to cough to get rid of it.
Chest Congestion
Chest congestion is what happens when the mucus membranes (mucosa) that line your airways jump into overdrive. When you breathe in an irritant (like dust, bacteria or a virus), mucosa cells are attacked causing inflammation and extra mucus in your airways. This extra mucus is one of the ways your body tries to remove an irritant.
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Unique bi-layer tablet – One layer for immediate release, the other layer for extended release. |
Mucinex DM powers through chest congestion for 12 hours so you can say goodbye to retaking medicine every 4 hours. |
We can’t always avoid the things that cause excess mucus. Subscribe & Save for continuous relief and save up to 15%. |
Active Ingredient
Guaifenesin (600mg)
Guaifenesin is an expectorant that helps reduce chest congestion caused by colds, infections, or allergies. It works by thinning the mucus in the air passages and makes it easier to cough up.
Dextromethorphan HBr (30 mg)
Dextromethorphan HBr is a cough suppressant. It works by suppressing the cough center of the brain.
Also available in Maximum Strength.
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| Mucinex SE 12 Hr Max Strength Expectorant | Mucinex DM 12 Hr Max Strength Expectorant & Cough Suppressant | Mucinex Fast-Max Severe Congestion & Cough | Mucinex Sinus-Max Pressure & Pain | Mucinex Fast-Max Cold, Flu & Sore Throat | Mucinex Fast-Max Day Night Severe Cold | |
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| Customer Reviews |
4.8 out of 5 stars
17,987
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4.8 out of 5 stars
17,925
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4.7 out of 5 stars
947
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4.8 out of 5 stars
609
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4.7 out of 5 stars
3,917
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| Price | $22.67$22.67 | $22.49$22.49 | $14.24$14.24 | — | $13.36$13.36 | — |
| Cough | ✓ | ✓ | ✓ | ✓ | ||
| Chest Congestion | ✓ | ✓ | ✓ | ✓ | ✓ | ✔ (Day only) |
| Nasal & Sinus Congestion | ✓ | ✓ | ✓ | ✓ | ||
| Sinus Pressure | ✓ | ✓ | ✓ | ✓ | ||
| Fever | ✓ | ✓ | ✓ | |||
| Body Pain | ✓ | ✓ | ||||
| Headache | ✓ | ✓ | ✓ | |||
| Runny Nose & Sneezing | ✔ (Night only) | |||||
| Sore Throat | ✓ | ✓ |