Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) used to treat mild to moderate pain, and helps to relieve symptoms of arthritis (osteoarthritis, rheumatoid arthritis, or juvenile arthritis), such as inflammation, swelling, stiffness, and joint pain. NHS information about ibuprofen for adults, including what it's used for, who can use it, how to use it and side effects. Overview: Ibuprofen is used to reduce fever, pain, and swelling. It works by blocking certain substances in the body that cause pain, inflammation, and fever. Common side effects include stomach. Prescription ibuprofen is used to relieve pain, tenderness, swelling, and stiffness caused by osteoarthritis (arthritis caused by a breakdown of the lining of the joints) and rheumatoid arthritis (arthritis caused by swelling of the lining of the joints). Ibuprofen (Advil, Motrin) treats minor aches and pains caused by the common cold, headaches, toothaches, back or muscle aches. Detailed Ibuprofen dosage information for adults and children. Includes dosages for Pain, Osteoarthritis, Rheumatoid Arthritis and more; plus renal, liver and dialysis adjustments. Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that is used to relieve pain, fever, and inflammation. [7] This includes painful menstrual periods, migraines, and rheumatoid arthritis. [7] It can be taken orally (by mouth) or intravenously. [7] It typically begins working within an hour. [7] Ibuprofen is a pain medicine used to manage mild to moderate pain, fever, inflammation, menstrual cramps, and types of arthritis. Common side effects are drowsiness, nausea, diarrhea, constipation, and ringing in the ears. View ibuprofen information, including dose, uses, side-effects, renal impairment, pregnancy, breast feeding, contra-indications and important safety information. Ibuprofen, an analgesic and non-steroidal anti-inflammatory drug (NSAID), [1] is sold under many brand names around the world. The most common are Brufen (its earliest registered trademark), Advil, Motrin, and Nurofen. [2][3][4][5][6].