Vicks NyQuil Cough DM + Congestion is a nighttime medicine that provides fast relief for cough, nasal congestion, sneezing, and runny nose. It helps you sleep by temporarily relieving cough due to throat irritation and bronchial irritation. The active ingredients include dextromethorphan HBr (cough suppressant), doxylamine succinate (antihistamine), and phenylephrine HCI (decongestant). (This content is generated by AI)