Pain reliever, nasal decongestant, cough suppressant, antihistamine (in nighttime only). Day (Non-Drowsy) Contains 3 Medicines: Headache, Sore throat - Acetaminophen; Nasal congestion - Phenylephrine HCl; Coughing - Dextromethorphan HBr. Night Contains 4 Medicines: Headache, Sore throat - Acetaminophen; Nasal congestion - Phenylephrine HCl; Coughing - Dextromethorphan HBr; Runny nose - Chlorpheniramine Maleate.