Question: what is nyquil made of?
Answer: There are three active ingredients in NyQuil: acetaminophen, dextromethorphan (DMX), and doxylamine. Acetaminophen reduces fever and alleviates minor pain, dextromethorphan suppresses coughing, and doxylamine is an antihistamine (anti-allergy medication) which relieves congestion, sneezing, and sore threat.