NyQuil COMPLETE + Vicks VapoCOOL Cold & Flu delivers all-in-one nighttime relief for your cold and flu symptoms so that you can get the rest you need. NyQuil COMPLETE + Vicks VapoCOOL relieves: nasal congestion and pressure, cough due to minor throat & bronchial irritation/cough to help you sleep, minor aches & pains, headache, fever, sore throat pain, runny nose and sneezing.