Vicks DayQuil and NyQuil Liquid Medicine provides fast relief for cold and flu symptoms. DayQuil offers non-drowsy daytime relief from headache, fever, sore throat, aches and pains, nasal congestion, sinus pressure, and cough. NyQuil provides nighttime relief from headache, fever, sore throat, aches and pains,sneezing ,runny nose,and cough. (This content is generated by AI)