How Long Does Day and Night Sinus Last?

Generic: ACETAMINOPHEN, DIPHENHYDRAMINE HCL, GUAIFENESIN, PHENYLEPHRINE HCL

Storage Conditions

Room temperature

Manufacturer

Wal-Mart Stores Inc

Storage Information

Other information each caplet contains: sodium 3 mg (daytime only) 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) 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 Day and Night Sinus on DailyMed (NIH) | Federal drug label data.

Last verified: 2026-03-28