STD Facts: Chancroid - Minnesota Dept. of Health

STD Facts: Chancroid
(caused by Haemophilus ducreyi)

NOTE: Chancroid is rare in the U.S. If you have signs or symptoms of any sexually transmitted disease you should see a health care provider for evaluation and possible treatment.

On this page:
Signs and Symptoms
Testing and Treatment
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Signs and Symptoms

Chancroid Symptoms:

  • Painful and draining open sores in the genital area
  • Painful, swollen lymph nodes in the groin
  • Begin 4-10 days after exposure


  • Vaginal sex
  • Oral sex
  • Anal sex
  • Skin to skin contact with infected lesion or sore


If left untreated, chancroid:

  • Can spread to sex partners
  • Makes it easier to transmit or acquire HIV during sex
  • Can cause destruction of foreskin tissue on penis
  • Sores can become infected with other germs


  • Avoiding vaginal, oral or anal sex is the best way to prevent STDs.
  • Latex condoms, when used consistently and correctly, can reduce the risk of chancroid only when the infected areas are covered or protected by the condom.
  • Always use condoms during vaginal and anal sex.
  • Use a condom for oral sex on a penis.
  • Use a barrier (dental dam or condom cut in half) for oral sex on a vagina or anus.
  • Limit the number of sex partners.
  • Notify sex partners immediately if infected.
  • Infected sex partners should be tested and treated.

Testing and Treatment

  • Get a test from a medical provider if infection is suspected.
  • Chancroid can be cured using medication prescribed by a medical provider.
  • Partners should be treated at the same time.
  • STD Testing
    Find free or low-cost testing near you.

NOTE: A person can be re-infected after treatment.

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Updated Thursday, 29-Sep-2022 15:43:17 CDT