Vicks DayQuil and NyQuil Cold & Flu Liquid Medicine provides fast, powerful relief for your worst cold and flu symptoms. With this DayQuil and NyQuil Combo pack, you'll have the cold and flu multi-symptom relief you need on hand, day and night. When you have a cold and need to get a good night's sleep, NyQuil helps relieve headache, fever, sore throat, minor aches and pains, sneezing, runny nose, and cough. For powerful, non-drowsy daytime relief so you can get on with your day, try DayQuil to help relieve headache, fever, sore throat, minor aches and pains, nasal congestion and cough.