High uric acid level

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Definition

High uric acid level, or hyperuricemia, is an excessive concentration of uric acid in your blood. Uric acid is waste produced during the breakdown of purine, a substance found in many foods. Uric acid normally is carried in your blood, passes through your kidneys and is eliminated in urine.

A high uric acid level may not cause problems. However, some people develop gout, kidney stones or kidney failure due to high uric acid levels. A high uric acid level may appear prior to the development of high blood pressure, heart disease or chronic kidney disease, but it's often unclear whether high uric acid level is a direct cause or merely an early warning sign of these conditions.

Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis.

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Causes