What is this medication (Contac Day and Night Cold and Flu)?
Acetaminophen is a pain reliever and fever reducer.Diphenhydramine is an antihistamine that reduces the effects of the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.Dextromethorphan is a cough suppressant. It affects the cough reflex in the brain that triggers coughing.Pseudoephedrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).The combination of acetaminophen, dextromethorphan, diphenhydramine, and pseudoephedrine is used to treat headache, fever, body aches, cough, runny nose, sneezing, itching, and watery eyes caused by allergies, the common cold, or the flu.This medicine will not treat a cough that is caused by smoking, asthma, or emphysema.Acetaminophen, dextromethorphan, diphenhydramine, and pseudoephedrine may also be used for purposes not listed in this medication guide.