How Long Does Acetaminophen PM Last?

Generic: ACETAMINOPHEN, DIPHENHYDRAMINE HCL

Source: Federal Drug Label Data

Storage Conditions

Room temperature

Manufacturer

COSTCO WHOLESALE CORPORATION

Storage Information

Other information use by expiration date on package avoid high humidity 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 Acetaminophen PM on DailyMed (NIH) | Federal drug label data.

Last verified: 2026-03-28