COLD & FLU RELIEF. DayQuil/NyQuil COMPLETE delivers symptom-fighting ingredients to relieve your worst cold & flu symptoms, such as cough, fever, and congestion, day or night;SMALLEST BRANDED, 4-ACTIVE, DAYTIME LIQUICAPS. DayQuil COMPLETE offers non-drowsy relief of your cold and flu symptoms, so you can power through your day;OUR SMALLEST MOST POWERFUL NIGHTTIME LIQUICAP. NyQuil COMPLETE relieves your , fever, cough, nasal and chest congestion, so you can get the rest you need;PAIN RELIEF & FEVER REDUCER. DayQuil/NyQuil COMPLETE is an over-the-counter medicine that contains acetaminophen, a pain reliever and fever reducer;MULTI-SYMPTOM RELIEF with NyQuil COMPLETE Cold & Flu, which also contains a nasal decongestant and DayQuil COMPLETE Cold & Flu, which contains an expectorant to help loosen phlegm (mucus) and thin bronchial secretions to make coughs more productive.