Mucus relief dm tablet, extended release

Active ingredients

(in each extended-release tablet)

Dextromethorphan Hydrobromide USP 30 mg
Guaifenesin USP 600 mg


Cough suppressant


  • 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 Parkinsons 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, or occurs with 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 (1-800-222-1222) 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 if printed seal on blister is broken or missing
  • store at 20 to 25C (68 to 77F)

Inactive ingredients

colloidal silicon dioxide, hypromellose, magnesium stearate, microcrystalline cellulose, povidone, pregelatinized starch (maize)


call 1-888-309-9030You may also report side effects to this phone number.

Ingredients and appearance - Product information

Mucus relief dm tablet, extended release- Guaifenesin and dextromethorphan hbr

Product information

Product Type Human OTC Drug Label Item Code (Source) NDC: 55910-992
Route of Administration Oral

Active Ingredient/Active Moiety

Ingredient Name Strength
Guaifenesin ( UNII: 495W7451VQ)( Guaifenesin - UNII: 495W7451VQ ) 600 mgin 1
Dextromethorphan hydrobromide ( UNII: 9D2RTI9KYH)( Dextromethorphan - UNII: 7355X3ROTS ) 30 mgin 1

Inactive Ingredients

Ingredient Name Code
Silicon dioxide ( UNII: ETJ7Z6XBU4)
Hypromellose, unspecified ( UNII: 3NXW29V3WO)
Magnesium stearate ( UNII: 70097M6I30)
Microcrystalline cellulose ( UNII: OP1R32D61U)
Povidone k90 ( UNII: RDH86HJV5Z)
Povidone k25 ( UNII: K0KQV10C35)
Starch, corn ( UNII: O8232NY3SJ)

Product Characteristics

Color WHITE (white to off-white) Shape OVAL
Size 16 mm Score 1
Imprint Code X;62

Marketing Information

Marketing Category Application Number or Monograph Citation Territorial Authority Marketing Start Date

Labeler - Dolgencorp, LLC( 068331990)


Name ID/FEI Business Operations
Dolgencorp, LLC 068331990 ANALYSIS( 55910-992), MANUFACTURE( 55910-992)

Package label-principal display panel - 600 mg/30 mg (20 tablet carton label)

DG™ | health

Compare to active
ingredients of
Mucinex® DM*

Relief DM
Guaifenesin and Dextromethorphan HBr
Extended-Release Tablets, 600 mg/30 mg
Expectorant and Cough Suppressant

  • Controls cough
  • Thins and loosens mucus


20 Extended-Release Tablets
Actual Tablet Size

600 mg Expectorant
30 mg Cough Suppressant