DayQuil SEVERE Cold & Flu liquid provides daytime relief of your worst cold and flu symptoms. Just one dose of this over-the-counter medicine starts working fast to relieve multiple symptoms. From the world's #1 selling OTC cough and cold brand†, Vicks DayQuil SEVERE provides powerful, multisymptom relief to treat coughing, minor body pain, congestion, sinus pressure, sore throat, headache, and fever. Use when you need fast, daytime relief for your ugliest, roughest, toughest cold symptoms so you can rest. Nothing works faster. Vicks has been trusted for over 125 years to relieve your cold and flu symptoms. Contains acetaminophen.