Brufen 400mg is a medication containing ibuprofen, a non-steroidal anti-inflammatory drug (NSAID). Each pack contains 30 tablets with 400mg of ibuprofen per tablet. It is used to relieve pain, reduce inflammation, and lower fever. Brufen 400mg tablets contain ibuprofen as the active ingredient, which works by blocking the production of prostaglandins - substances in the body that cause pain, swelling and fever. This medication should be taken as prescribed by your healthcare provider. As with all medications, it should be stored in a cool, dry place away from direct sunlight and kept out of reach of children.