Revision as of 18:00, 22 July 2016 by Neil.m.young (talk | contribs) (Text replacement - "0 mg" to "0mg")


  • Caused by Haemophilus ducreyi
  • Sexually transmitted
  • Rare in western countries (leads to frequent misdiagnosis in these locations)
Chancroid (male)
Chancroid (female)

Clinical Features

  • Incubation period 3-7 days[1]
  • Lesions begin as soft chancre/papule → painful ulceration with ragged margins[1]
  • Within days to weeks, unilateral painful inguinal lymphadenopathy (buboes) forms
    • These may become abscessed and rupture

Differential Diagnosis

Diagnostic Evaluation

  • Generally clinical diagnosis
  • PCR can be used for indeterminate cases[1]



  • Discharge

See Also


  1. 1.0 1.1 1.2 1.3 Basta-Juzbašić A, Čeović R. Chancroid, lymphogranuloma venereum, granuloma inguinale, genital herpes simplex infection, and molluscum contagiosum. Clin Dermatol. 2014 Mar-Apr;32(2):290-8. doi: 10.1016/j.clindermatol.2013.08.013.