What Is Advil? Advil is a brand name medicine produced by Pfizer, a multinational pharmaceutical company headquartered in New York City. Advil is an analgesic drug that is used to reduce pain and discomfort. Also good for reducing fever and inflammation. Advil contains an active ingredient called ibuprofen, which is a type of analgesic. Analgesics… Read More »Is Advil Gluten Free? Find Out Here!