Nyquil is an over-the-counter medicine that comes in tablet and liquid form and is used to alleviate cold and flu symptoms; aches and pains, fever, headache, runny nose, sneezing, and congestion.
Nyquil is comprised of an analgesic, a cough suppressant, and an antihistamine.
Nyquil withdrawal can be painful and requires the assistance of trained professionals in order to keep it safe and as affective as possible.
