How Long Does Pain Relief PM Extra Strength Last?

Generic: ACETAMINOPHEN, DIPHENHYDRAMINE HCL

Source: Federal Drug Label Data

Storage Conditions

Room temperature

Manufacturer

H E B

Storage Information

Other information store at 25ºC (77ºF); excursions permitted between 15º-30ºC (59º-86ºF) avoid high humidity use by expiration date on package

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 Pain Relief PM Extra Strength on DailyMed (NIH) | Federal drug label data.

Last verified: 2026-03-28