Vicks NyQuil 16 LiquiCaps: Temporarily relives common cold and flu symptoms including nasal congestion, cough due to minor throat and bronchial irritation, sore throat, headache, minor aches and pains and fever. Non-Drowsy. When using other DayQuil or NyQuil products, carefully read each label to insure correct dosing. Use as directed. Keep out of reach of children.