By Gary M. White, MD
Chancroid is one cause of genital ulcers.
- Chancroid is currently extremely rare in the US. There were only 11 cases reported in the US in 2015.
- The gram-negative bacillus, Haemophilus ducreyi has a school of fish appearance on smear.
Chancroid classically causes a tender, foul-smelling ulcer in the genital area.
See penile ulcer.
The most recent public health recommendations should be sought. In the past, azithromycin 1 gram po once or ceftriaxone 250 mg IM once or erythromycin 500 QID x 7 days or ciprofloxacin 500 mg PO BID for 3 days have been recommended. Patients who are HIV positive may need a longer course of therapy.
Courtesy Micheal O. Murphy, MD
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