Generic name: acetaminophen / dextromethorphan / doxylamine
Vicks NyQuil Multi-Symptom is used to relieve pain symptoms, sneezing, sinus congestion, runny nose, cough associated with colds, allergies, and infections of upper respiratory tract. It may also be used by your physician to treat certain other conditions.
It refers to analgesic, antihistamine, and cough suppressant combination. The cough suppressant and analgesic make the brain to reduce dry or unproductive cough and releave pain. The antihistamine blocks histamine effects, which cause allergy symptoms like sneezing, and watery eyes.