Abstract: A 36-year-old male presented with pustules on the perineum with pain for 1 week. The patient had a history of homosexual activity 3 weeks earlier. The sexual partner had oral and perioral pustules. Dermatological examination revealed several ulcerated surfaces covered with crusts on the perineum. Laboratory examination showed monkeypox virus nucleic acid test was positive. The diagnosis of monkeypox was made.

Key words: monkeypox, monkeypox virus