Overview

Genital ulcers are open sores that may be painless or painful. Syphilis, herpes, chancroid and other conditions can cause them, so prompt evaluation is important.

Possible causes

  • Syphilis chancre
  • Herpes lesion
  • Chancroid
  • Non-infectious causes

What to note before assessment

  • Avoid touching or covering excessively
  • Note onset and pain
  • Photograph is optional but not required

Key points

  • May be painless or painful
  • Can be caused by multiple infections
  • Prompt assessment matters
  • Lesion swab may help

When to seek care

  • New ulcer or sore
  • Ulcer with discharge or lymph node swelling
  • Ulcer after unprotected sex