Pain Reliever/Fever Reducer, Nasal Decongestant, Antihistamine. Fast Relief of: Body aches and headache; Nasal congestion; Sore throat pain; Fever and chills. Pleasant taste! Contains 10% Alcohol. Comtrex Nighttime Liquid formulated to treat the symptoms of a Flu. When you have body aches, fever, sore throat, and nasal congestion, you want relief. Comtrex targets your symptoms so you feel better and can get a good night's rest. Comtrex Flu Therapy Nighttime Liquid is a maximum strength flu formula with a pleasant cherry taste. For customized relief of your cold symptoms, take Comtrex. Contains Placebo.