Sinus & Cold Day Other Information: Store at room temperature. Avoid temperatures above 40 degrees C (104 degrees F). Sinus & Cold Night Other Information: Store at room temperature. Avoid excessive heat above 40 degrees C (104 degrees C). 25% smaller liquid gels (compared to original Alka-Seltzer Plus Liquid Gels). Concentrated formula. Acetaminophen/pain reliever-fever reducer. Dextromethorphan HBr/cough suppressant. Phenylephrine HCI/nasal decongestant. For Fast Relief of: Nasal/sinus congestion; headache, body ache, sore throat; sinus pressure; cough. Maximum strength per 4 hour dose. Does not contain aspirin. 1-800-986-0369 (Mon-Fri 9AM - 5PM EST). Parents: Learn about teen medicine abuse. www.StopMedicineAbuse.org. Product of Spain.