How Long Does Severe Cough and Congestion Last?

Generic: DEXTROMETHORPHAN HBR, GUAIFENESIN, PHENYLEPHRINE HCL

Source: Federal Drug Label Data

Storage Conditions

Room temperature

Manufacturer

CVS PHARMACY

Storage Information

Other information each 20 mL contains: sodium 9 mg use by expiration date on package 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 Severe Cough and Congestion on DailyMed (NIH) | Federal drug label data.

Last verified: 2026-03-28