Advil contains no aspirin, according to the official Advil website. Advil is a nonsteroidal anti-inflammatory drug, notes Drugs.com. Advil is ibuprofen, and it works by decreasing the hormones in the body that cause pain and inflammation.
Advil is used to reduce fever and treat issues such as arthritis, back pain, menstrual cramps and other minor injuries, reports Drugs.com. The maximum dose of Advil is 800 milligrams per dose or 3,200 milligrams per day. Common side effects are bloating, diarrhea, indigestion, pale skin, vomiting and weight gain. People who have asthma, heart disease, high blood pressure and stomach ulcers should seek medical advice before taking Advil.