How Long Does Mucus Relief DM Cough Maximum Strength Last?

Generic: DEXTROMETHORPHAN HBR AND GUAIFENESIN

Source: Federal Drug Label Data

Storage Conditions

Room temperature

Manufacturer

Cardinal Health 110, LLC. DBA Leader

Storage Information

Other information TAMPER EVIDENT: DO NOT USE IF OUTER PACKAGE IS OPENED OR BLISTER IS TORN OR BROKEN see end flap for expiration date and lot number store at 25°C (77°F); excursions permitted between 15°-30°C (59°-86°F)

Important: This information is from federal drug label data and is for reference only. Always follow the specific expiration date printed on your medication packaging. Consult your pharmacist or healthcare provider with questions about medication storage or expiration.

Data source: View Mucus Relief DM Cough Maximum Strength on DailyMed (NIH) | Federal drug label data.

Last verified: 2026-03-28