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  • primary gout (95%) - an inherited disorder that causes an overproduction, or underexcretion of uric acid. The underlying biochemical defect is not known.

  • secondary gout (5%):
    • increased formation of uric acid
    • reduced excretion of uric acid
    • drugs / toxins that cause overproduction or underexcretion of uric acid
    • miscellaneous

Last reviewed 01/2018