CVS Mucus Relief DM

Dextromethorphan HBr and Guaifenesin · Solution · Oral

Over the counter Expectorant Sigma-1 Agonist Uncompetitive N-methyl-D-aspartate Receptor Antagonist

Active ingredient

Active ingredients (in each 20 mL) Purposes Dextromethorphan HBr 20 mg Cough suppressant Guaifenesin 400 mg Expectorant

Purpose

Active ingredients (in each 20 mL) Purposes Dextromethorphan HBr 20 mg Cough suppressant Guaifenesin 400 mg Expectorant

Uses

Uses ▪ 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

Warnings

Warnings Do not use ▪ 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 that occurs with 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 that lasts. These could be signs of a serious condition. 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 at 1-800-222-2222.

Do not use

Do not use ▪ 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

Ask a doctor before use if you have ▪ persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis or emphysema ▪ cough that occurs with too much phlegm (mucus)

When using this product

When using this product do not use more than directed

Stop use and ask a doctor

Stop use and ask a doctor if ▪ cough lasts more than 7 days, comes back, or occurs with fever, rash or persistent headache that lasts. These could be signs of a serious condition.

Pregnancy or breast-feeding

If pregnant or breast-feeding, ask a health professional before use.

Keep out of reach of children

Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away at 1-800-222-2222.

Directions

Directions ▪ do not take more than 6 doses in any 24-hour period ▪ measure only with dosing cup provided ▪ do not use dosing cup with other products ▪ dose as follows or as directed by a doctor ▪ mL = milliliter ▪ adults and children 12 years and older: 20 mL every 4 hours ▪ children under 12 years of age: Do not use

Other information

Other information
• each 20 mL contains: sodium 8 mg
• low sodium
• store at room temperature
• do not refrigerate
• dosing cup provided

Inactive ingredients

Inactive ingredients anhydrous citric acid, edetate disodium, FD&C Blue No. 1, FD&C Red No. 40, flavors, potassium citrate , propylene glycol, propyl gallate, purified water, sodium benzoate, sorbitol, sucralose, xanthan gum.

Questions?

Questions or comments? 1-866-467-2748

Label text from the FDA structured product label by CVS PHARMACY (revised Aug 19, 2026). Long sections are shortened; the complete label is on DailyMed.

Active ingredients

CVS Mucus Relief DM NDC products (1)

NDCStrength & formLabelerType
69842-937Dextromethorphan Hydrobromide 20 mg/20mL; Guaifenesin 400 mg/20mL
Solution
CVS PHARMACYOTC MONOGRAPH DRUG

Frequently asked questions

What is CVS Mucus Relief DM used for?

Uses ▪ 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

Who makes CVS Mucus Relief DM?

CVS Mucus Relief DM is listed by 1 labeler in the FDA NDC directory, including CVS PHARMACY.