DayQuil COMPLETE + Vicks VapoCOOL Cold & Flu provides fast and effective, non-drowsy relief for 12 cold and flu symptoms. DayQuil COMPLETE relieves nasal congestion and pain, chest congestion, cough due to cold, cough with phlegm, sore throat pain, headache, minor aches & pains, fever, and thins & loosens mucus. Contains acetaminophen and other ingredients.