Mucinex DM 12 Hour Expectorant & Cough Medicine, Excess Mucus Relief & Cough Suppressant, 40 Tablets
Mucinex DM 12 Hour Expectorant & Cough Medicine, Excess Mucus Relief & Cough Suppressant, 40 Tablets
Hero image 0 of Mucinex DM 12 Hour Expectorant & Cough Medicine, Excess Mucus Relief & Cough Suppressant, 40 Tablets, 0 of 14
Visit the Mucinex Store

Mucinex DM 12 Hour Expectorant & Cough Medicine, Excess Mucus Relief & Cough Suppressant, 40 Tablets

|504 ratings

Key item features

  • COUGH & COLD MEDICINE FOR ADULTS: Mucinex DM 12 hr expectorant & cough suppressant packs a powerful punch with 30 mg dextromethorphan HBr & 600 mg guaifenesin extended release tablets
  • EXCESS MUCUS RELIEF: Powerful multi-symptom relief; Mucinex DM 12hr lasts up to 12 hours, provides relief for your chest congestion and makes coughs more productive
  • EXPECTORANT FOR ADULTS: Mucinex DM helps clear lungs of excess mucus and phlegm; Say goodbye to chest congestion and cough, say hello to excess mucus relief with our original bi-layer tablets
  • EXTENDED RELEASE GUAIFENESIN: Experience long-lasting symptom relief with Mucinex DM 12hr extended-release 600 mg guaifenesin and 30 mg dextromethorphan HBr tablets
  • TRUSTED BRAND: Mucinex is the #1 Cough & Cold Brand Doctor's Trust* and is also the #1 Pharmacist Recommended OTC Expectorant**; Get the brand that doctors trust and recommend
  • COLD AND FLU MEDICINE FOR ADULTS: For powerful cough, cold, and flu multi-symptom relief, check out our range of Mucinex Fast-Max cold and flu medicines; Beat cold and flu symptoms with confidence
  • USAGE: Use as directed; For ages 12+ years
  • FSA & HSA Eligible: Save Up to 30%; Cover out-of-pocket expenses with pre-tax dollars; Product eligibility may vary by plan, check with your benefits administrator to determine which expenses are eligible before you shop
  • QUALITY YOU CAN TRUST: Mucinex uses carbomer that is manufactured without the use of benzene
  • *IQVIA using ProVoice Survey, August 2023; **U.S. News & World Report/Pharmacy Times 2023-2024

About this item

Product details

Specifications

Indications

Directions

Warranty

Ingredients

Warnings

Customer ratings & reviews

4.7 out of 5 stars
stars
504 ratings136 reviews
How item rating is calculated
  1. 5 stars85% (426)
  2. 4 stars9% (44)
  3. 3 stars3% (14)
  4. 2 stars1% (7)
  5. 1 star3% (13)
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 136 reviews

Jun 16, 2026
Reviewer name: CHRISTINE
Top Reviewer
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

always works well

Helpful?6XFUNQIN7OU912548289
May 24, 2026
Reviewer name: Melanie
Top Reviewer
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

It has Been working great for me for years!!

Helpful?6XFUNQIN7OU912548289
May 19, 2026
Reviewer name: anonymous
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

I always like my mucinex meds. I can get a larger pack now. That is wonderful. Because I take one every night.

Helpful?6XFUNQIN7OU912548289
Current price is $25.4763.7 ¢/count
Price when purchased online
  • Free Holiday returns until Jan 31

How do you want your item?

Try 30 days for just $1! Choose a plan at checkout.
How do you want your item?
Ships to
Not available
Sold and shipped by Walmart.com
Extended holiday returns
Free Holiday returns until Jan 31
This item is gift eligible
Benefits eligible (FSA/HSA) 
walmart plus

Try 30 days of Walmart+ for just $1!

T&C apply.