A drug used for short-term relief of minor aches, pains, and fever. Ibuprofen works by reducing swelling in your body. Common brands of ibuprofen include Advil and Motrin, which you can buy at drugstores, convenience stores, and online. You take ibuprofen in pill or liquid form. Before you take ibuprofen, read the directions, and speak with your nurse or doctor if you’re currently on other medicines, have a health condition, or are not sure if ibuprofen is safe for you.