Gout is caused by too much uric acid in the blood (hyperuricemia). Hyperuricemia usually does no harm. But sometimes when uric acid levels in the blood are too high, uric acid forms crystals that build up in the joints. The crystals can cause a gout attack. A gout attack typically causes pain, swelling, redness, and warmth (inflammation) in a single joint, most often the big toe.
Current as of:
December 20, 2021
Author: Healthwise Staff Medical Review: Anne C. Poinier MD - Internal Medicine Martin J. Gabica MD - Family Medicine Kathleen Romito MD - Family Medicine Mary F. McNaughton Collins MD, MPH - Internal Medicine
Medical Review:Anne C. Poinier MD - Internal Medicine & Martin J. Gabica MD - Family Medicine & Kathleen Romito MD - Family Medicine & Mary F. McNaughton Collins MD, MPH - Internal Medicine
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