Gout is a form of arthritis caused by a buildup of uric acid crystals in a joint. It causes sudden attacks of pain, swelling, redness, and stiffness, usually in one joint, especially the big toe. Gout ...

It affects an estimated 9.2 million people in the United States. Most cases affect the big toe, but gout can affect other parts of your body as well. Gout symptoms or “attacks” occur when too ...