Chancroid is a topic covered in the 5-Minute Emergency Consult.

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  • Sexually transmitted genital ulcerative disease:
    • Increased risk for HIV infection
  • A common cause of genital ulceration in Africa, southeast Asia, and Latin America:
    • Uncommon in US where herpes simplex virus (HSV) > syphilis >> chancroid, but likely underreported


Causative agent: Haemophilus ducreyi
  • Highly infectious bacterium

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