What is the cause of a herpes outbreak on the edge of the labia minora?

Patient's question:

On the last day of menstruation, there was a herpes on the small labia

Doctor's answer:

Hello, the symptoms of labial herpes are considered to be genital herpes. Genital herpes presents with localized clustered redness, papules, vesicles, and erosion. These symptoms indicate an infection with genital herpes, primarily caused by the herpes virus.