Introduction

Lymphogranuloma venereum (LGV) is caused by Chlamydia trachomatis serovars L1, L2 and L3. 'Normal' Chlamydia resulting in urethritis and pelvic inflammatory disease is caused by Chlamydia trachomatis serovars D through K.

Aetiology

Risk factors
  • men who have sex with men
  • the majority of patients who present in developed countries have HIV

Clinical features

Typically infection comprises of three stages:
  • stage 1: small painless pustule which later forms an ulcer
  • stage 2: painful inguinal lymphadenopathy
  • stage 3: proctocolitis

Management

LGV is treated using doxycycline.