Gout condition of the development process has several stages

Gout is lifelong disease, and its condition whole process can be divided into the following four: (1) hyperuricemia period: Early called gout in this period, patients can no clinical symptoms of gout, only showed increased serum uric acid. (2) gout early: The period from the development of hyperuricemia come. Prominent symptoms of acute gouty arthritis attack. Acute arthritis in the joints after the attack disappear completely return to normal, not left dysfunction, but can be repeated attack. This usually subcutaneous the formation of tophi, no significant renal lesions such as uric acid nephropathy and the formation of kidney stones, kidney function was normal. (3) medium-term Gout: This period of repeated gouty arthritis due to the damage caused by acute onset, there are different degrees of articular bone destruction and dysfunction, chronic gouty arthritis. There may be the subcutaneous tophi, may have uric acid nephropathy and the formation of kidney stones, kidney function may be normal or slightly decreased. (4) Advanced gout: a clear joint deformity and dysfunction, increase in the number of subcutaneous tophi, the volume increased, urine can rupture a white crystalline salt. Uric acid nephropathy and kidney stones in the development of renal function significantly decreased, there may be azotemia and uremia.