Acetaminophen, Chlorpheniramine Maleate (antihistamine in nighttime dose only), phenylephrine HCI. Pain reliever/fever reducer, antihistamine (antihistamine in nighttime dose only), nasal decongestant. Daytime: body aches & headache; nasal congestion; fever & chills. Nighttime: restful relief of daytime symptoms plus runny nose & sneezing.