How Long Does Severe Congestion and Cough Multi-Symptom Maximum Strength Last?

Generic: DEXTROMETHORPHAN HBR, GUAIFENESIN, PHENYLEPHRINE HCL

Source: Federal Drug Label Data

Storage Conditions

Room temperature

Manufacturer

CVS Pharmacy

Storage Information

Other information each caplet contains: sodium 3 mg TAMPER EVIDENT: DO NOT USE IF OUTER PACKAGE IS OPENED OR BLISTER IS TORN OR BROKEN store at 25ºC (77ºF); excursions permitted between 15º-30ºC (59º-86ºF) see end flap for expiration date and lot number

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 Congestion and Cough Multi-Symptom Maximum Strength on DailyMed (NIH) | Federal drug label data.

Last verified: 2026-03-28