Osteoarthritis is the type of arthritis that many people get as they age. It happens when the cartilage that cushions your joints—like your knees and hips—gradually breaks down. Then the bones rub against each other. This causes damage and pain. There are many treatments that can help with the pain and make it easier to move.

Current as of: August 21, 2015

Author: Healthwise Staff

Medical Review: Anne C. Poinier, MD - Internal Medicine & Stanford M. Shoor, MD - Rheumatology