Vicks DayQuil Cold & Flu Liquicaps are a non-drowsy, over-the-counter medicine for relieving cold and flu symptoms. It treats headache, fever, sore throat, minor aches and pains, nasal congestion and cough due to minor throat irritation. The active ingredients per dose (2 Liquicaps) are acetaminophen 650 mg (pain reliever/fever reducer), dextromethorphan HBr 20 mg (cough suppressant), (This content is generated by AI)