Diagnosis & Management:

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• Clinical assessment guidelines

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Chancroid
Diagnosis and management

A cotton or calcium alginate swab taken from the ulcer base should be plated directly onto chocolate agar enriched with 1% isovitalex and containing vancomycin. After incubation in an atmosphere containing 5-10% CO₂, colonies appear in 2-4 days (sometimes as late as 7 days). The diagnosis should only be made after consultation with a sexual health physician.

ceftriaxone 250 mg im as one dose (ADEC B1)

   or

azithromycin 1 g orally as one  dose (ADEC B1)

   or

erythromycin 500 mg orally 6 hourly  for 7 days (ADEC A). 

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