Mucinex DM 12-Hour Maximum Strength Mucus Relief Tablets, 56 ct.
Mucinex DM 12-Hour Maximum Strength Mucus Relief Tablets, 56 ct.
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Mucinex DM 12-Hour Maximum Strength Mucus Relief Tablets, 56 ct.

|1,207 ratings

Highlights

Product is FSA & HSA eligible.

Shop more FSA & HSA eligible products HERE

  • Mucus relief tablets quiet wet or dry cough
  • Thins and loosens mucus that causes chest congestion
  • Works right away and lasts for 12 hours
  • Maximum strength cough suppressant, extended-release tablet
  • #1 doctor recommended OTC expectorant

Specifications

  • 56 tablets
  • Dextromethorphan HBr 60 mg
  • Guaifenesin 1200 mg
  • Do not crush, chew, or break tablet
  • Take with a full glass of water
  • For ages 12+
  • Take 1 tablet every 12 hours
  • Do not exceed 2 tablets in 24 hours
  • Thins & loosens mucus
  • Starts to work right away & lasts for up to 12 hours
  • Maximum Strength, Extended-release bi-layer tablet
  • FSA & HSA Eligible: Save Up to 30%. Cover out-of-pocket expenses with pre-tax dollars**

Use as directed.

This product is restricted in the following states:

AK,AZ,CA,CO,DE,FL,GA,KY,LA,MA,MI,NJ,NV,NY,OH,OR,PA,TN,TX,VA,WA,WI,WV

Experience the convenience of ordering curbside pickup or shopping in-club to complete your purchase

*IQVIA using ProVoice Survey, December 2022 U.S. News & World Report/Pharmacy Times 2023-2024.

**Product eligibility may vary by plan. Check with your benefits administrator to determine which expenses are eligible before you shop.

While we strive to obtain accurate product information, we cannot guarantee or ensure the accuracy, completeness or timeliness of any product information. Carefully read and follow all package directions. SamsClub.com assumes no liability for inaccuracies or misstatements about products.

Current price is $31.9857.1 ¢/ea
Earn $10 Sam's Cash
when you spend $50 on select Reckitt items. Terms apply
Sam's Cash limit $10.Ends Nov 01
Max 1 per order. Max 1 per membership.
Prices may vary in club and online
Low in stock
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Free for Plus on eligible orders over $50
Columbus, 43215
Arrives by Thu, Nov 5
Return or replace anytime.
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About this item

Product details

Are you searching for reliable cold and flu medicine for adults? Look no further than Mucinex DM 12-Hour Maximum Strength Expectorant & Cough Suppressant. Featuring a robust 1200mg of guaifenesin and dextromethorphan, this top-notch chest congestion & cough medicine is here to provide effective relief from bothersome mucus and persistent cough. When the cold and flu season hits, trust Mucinex for cold and flu relief for adults. Our advanced extended-release formula ensures a whopping 12 hours of non-stop action, effectively breaking down and eliminating that stubborn mucus. With Mucinex, you'll enjoy clear lungs, making every day a breath of fresh air.

What Symptoms Do these Mucinex DM Expectorant & Cough Suppressant Tablets Relieve?

Mucinex DM is one of the best cough suppressants, cough decongestant on the shelves. It helps control your cough whether it is wet or dry. Plus, it thins and loosens mucus that causes chest congestion. You start to feel better almost immediately upon taking the medication, and the extended-release tablets help keep your symptoms at bay.

What Are the Active Ingredients in Mucinex DM 12-Hour Max Strength Expectorant & Cough Suppressant Tablets?

Mucinex DM has 1200 mg of guaifenesin, which helps thin the mucus and 60 mg of dextromethorphan, HBr which is a combination of antihistamine and cough suppressant. These ingredients are combined into one tablet that has a patented bi-layer extended-release construction.

Are There Any Contraindications For Using This Cough Suppressant?

Mucinex should not be used by people who are currently taking monoamine oxidase inhibitors or MAOI. It also shouldn't be used by women who are pregnant or breastfeeding without first consulting a medical provider. It also should not be used for a cough that lasts more than seven days.

This product is restricted in the following states: AK,AZ,CA,CO,DE,FL,GA,KY,LA,MA,MI,NJ,NV,NY,OH,OR,PA,TN,TX,VA,WA,WI,WV
info:
If the item details above aren't accurate or complete, we want to know about it. 

Key specifications

Specifications

  • 56 tablets
  • Dextromethorphan HBr 60 mg
  • Guaifenesin 1200 mg
  • Do not crush, chew, or break tablet
  • Take with a full glass of water
  • For ages 12+
  • Take 1 tablet every 12 hours
  • Do not exceed 2 tablets in 24 hours
  • Thins & loosens mucus
  • Starts to work right away & lasts for up to 12 hours
  • Maximum Strength, Extended-release bi-layer tablet
  • FSA & HSA Eligible: Save Up to 30%. Cover out-of-pocket expenses with pre-tax dollars**

Use as directed.

This product is restricted in the following states:

AK,AZ,CA,CO,DE,FL,GA,KY,LA,MA,MI,NJ,NV,NY,OH,OR,PA,TN,TX,VA,WA,WI,WV

Experience the convenience of ordering curbside pickup or shopping in-club to complete your purchase

*IQVIA using ProVoice Survey, December 2022 U.S. News & World Report/Pharmacy Times 2023-2024.

**Product eligibility may vary by plan. Check with your benefits administrator to determine which expenses are eligible before you shop.

While we strive to obtain accurate product information, we cannot guarantee or ensure the accuracy, completeness or timeliness of any product information. Carefully read and follow all package directions. SamsClub.com assumes no liability for inaccuracies or misstatements about products.

Member ratings & reviews

4.8 out of 5 stars
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1,207 ratings271 reviews
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Showing 1-3 of 271 reviews

Sep 21, 2026
Reviewer name: Sallie Lasseter
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Daddy's Bug

This is the best medicine for a cold. It starts knocking out the chest congestion and nasal congestion in about 2 days.

Helpful?27K067KMT6VS13621807017
reply from Mucinex Team

We would like the chance to speak with you about your experience with our Mucinex® product. When you have a chance, please give us a call at 1-866-529-8804. We are available Monday to Friday from 9am until 5pm, EST. When calling, kindly refer to reference# 9139680.

Jan 18, 2026
Reviewer name: Debbie
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Pricing

Great price if it is compared to CVS or Walgreens. Multiple dose convenience for individuals that need to take this medication on a daily basis.

Helpful?27K067KMT6VS13621807017
reply from Mucinex Team

Hi Debbie. We would like the chance to speak with you about your usage of Mucinex® DM. When you have a chance, please give us a call at 1-866-529-8804. We are available Monday to Friday from 9am until 5pm, EST. When calling, kindly refer to reference# 7846912.

Aug 8, 2026
Reviewer name: Mary
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Mdm

Take it everyday to help me breathe

Helpful?27K067KMT6VS13621807017
reply from Mucinex Team

Hi Mary. We would like the chance to speak with you about your usage of our Mucinex® product. When you have a chance, please give us a call at 1-866-529-8804. We are available Monday to Friday from 9am until 5pm, EST. When calling, kindly refer to reference# 8870312.

Current price is $31.9857.1 ¢/ea
Earn $10 Sam's Cash
when you spend $50 on select Reckitt items. Terms apply
Sam's Cash limit $10.Ends Nov 01
Max 1 per order. Max 1 per membership.
Prices may vary in club and online
Low in stock
How do you want your item?

Shipping

Free for Plus on eligible orders over $50
Columbus, 43215
Arrives by Thu, Nov 5
Return or replace anytime.