When a cold comes on strong, knock it out with Vicks DayQuil SEVERE Cold & Flu LiquiCaps. Just one dose starts working fast to relieve 9 of your worst cold and flu symptoms. Vicks DayQuil SEVERE provides fast, powerful, maximum strength 9-symptom relief to treat coughing, stuffy nose, minor body pain, chest congestion, sinus congestion, sinus pressure, sore throat, headache, and fever. Use when you need fast, non-drowsy daytime relief for your roughest, toughest cold symptoms so you can get on with your day.