Ibuprofen: learn about side effects, dosage, special precautions, and more on MedlinePlus Ibuprofen - cas 15687-27-1, synthesis, structure, density, melting point, boiling point 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. NHS information about ibuprofen for adults, including what it's used for, who can use it, how to use it and side effects. Ibuprofen is used primarily to treat fever (including post-vaccination fever), mild to moderate pain (including pain relief after surgery), painful menstruation, osteoarthritis, dental pain, headaches, and pain from kidney stones. Ibuprofen is used to reduce fever and treat pain or inflammation caused by many conditions such as headache, toothache, back pain, arthritis, menstrual cramps, or minor injury. Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that can reduce a fever and also treats mild to moderate pain, inflammation and arthritis. 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. Detailed Ibuprofen dosage information for adults and children. Includes dosages for Pain, Osteoarthritis, Rheumatoid Arthritis and more; plus renal, liver and dialysis adjustments. How much ibuprofen can you take at once or in a day? Learn the safe dose limits, overdose signs, and when ibuprofen may raise stomach, kidney, or heart risks.