How Long Does Severe Allergy And Sinus Headache Maximum Strength Last?

Generic: ACETAMINOPHEN, DIPHENHYDRAMINE HCL, PHENYLEPHRINE HCL

Storage Conditions

Room temperature

Manufacturer

CVS Pharmacy

Storage Information

Other information see end flap for expiration date and lot number TAMPER EVIDENT: DO NOT USE IF OUTER PACKAGE IS OPENED OR BLISTER IS TORN OR BROKEN 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 Allergy And Sinus Headache Maximum Strength on DailyMed (NIH) | Federal drug label data.

Last verified: 2026-03-28