How Long Does Allergy Relief 4 Hour Last?

Generic: CHLORPHENIRAMINE MALEATE

Source: Federal Drug Label Data

Storage Conditions

Room temperature Protect from moisture

Manufacturer

WinCo Foods, LLC

Storage Information

Other information 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) protect from excessive moisture 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 Allergy Relief 4 Hour on DailyMed (NIH) | Federal drug label data.

Last verified: 2026-03-28