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Maximum Strength MucinexDM Expectorant & Cough Suppressant

Swanson $27.83
Retail $29.99 Save 7%

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28 Tabs
Other Sizes:
  • 14 Tabs  Item: MUC014
    $17.99  Usually Ships Within 24 Hours
  • 1,200 mg guaifenesin (expectorant) and 60 mg dextromethorphan (cough suppressant)

  • Lasts 12 hours

  • Maximum strength extended release bi-layer tablets

Win the battle against your worst chest congestion and cough with Maximum Strength Mucinex DM. Each tablet controls cough and brakes up mucus for 12 hours. It provides temporary relief of cough due to minor throat and bronchial secretions to rid the bronchial irritation that may occur with the common cold or inhaled irritants, the intensity of coughing and the impulse to cough to help you get to sleep.

Product Label

Drug Facts

Active ingredients Purpose
Dextromethorphan HBr 60 mg Cough suppressant
Guaifenesin 1200 mg Expectorant


  • helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive
  • temporarily relieves:
  • cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants
  • the intensity of coughing
  • the impulse to cough to help you get to sleep


Do not use

  • for children under 12 years of age
  • if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric, or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product.

Ask a doctor before use if you have

  • persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema
  • cough accompanied by too much phlegm (mucus)

When using this product

  • do not use more than directed

Stop use and ask a doctor if

  • cough lasts more than 7 days, comes back, occurs with high fever, rash or persistent headache. These could be signs of a serious illness.

If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a poison control center right away.


  • do not crush, chew or break tablet
  • take with a full glass of water
  • this product can be administered without regard for timing of meals
  • adults and children 12 years and older: 1 or 2 tablets every 12 hours; not more than 4 tablets in 24 hours
  • children under 12 years of age: do not use.

Other Information

  • tamper evident: do not use if carton is open or inner pouch is open or damaged
  • store between 20-25° (68-77°F)

Inactive Ingredients

Carbomer 934P NF; D&C Yellow #10 Aluminum Lake; Hypromellose, USP; Magnesium Stearate, NF; Microcrystalline Cellulose, NF; Sodium Starch Glycolate, NF

Terms and Ingredient Definitions

Mucinex Maximum Strength MucinexDM Expectorant & Cough Suppressant Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Maximum Strength MucinexDM Expectorant + Cough Suppressant 5 5 1 1
I got some sleep! Another new favorite cold medicine for me. I took this last night and didn't wake up once to cough. Whereas the night before I was up all night. FABULOUSNESS. It's going to be a staple in my medicine cabinet right next to the Zicam. March 25, 2013
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Shipping Restrictions

Countries with restrictions on this product:

  • Japan

More information on shipping restrictions

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