Acute Gouty Arthritis During Favipiravir Treatment for Coronavirus Disease 2019: A Case Report

A 42-year-old man exhibiting hypoxia was diagnosed with coronavirus disease 2019 He had medical histories of type 2 diabetes, hyperlipidemia, hyperuricemia, and gout attack He received favipiravir for compassionate use for 14 days Subsequently, he showed increased uric acid levels and developed acute gouty arthritis Favipiravir may induce not only hyperuricemia but also acute gouty arthritis It should therefore be used with caution in patients with a history of gout and those with hyperuricemia, especially when used at a higher dose and for a longer duration than is typical