Haemophilus ducreyi
Male | Female |
Symptoms | |
Multiple, deep, painful genital ulcers with ragged undermined edges typically occur on the prepuce and in the coronal sulcus |
Multiple, deep, painful genital ulcers with ragged undermined edges typically occur on the vulva and, less commonly, on the cervix |
Similar ulcers may occur perianally in men engaging in receptive anal intercourse |
Similar ulcers may occur extremely rarely perianally in women engaging in receptive anal intercourse |
Extragenital lesions (e.g. fingers) may occur as a result of accidental inoculation |
Extragenital lesions (e.g. fingers) may occur as a result of accidental inoculation |
Complications | |
Bubo formation | Bubo formation |
Phagedenia (rapidly spreading, necrotic) ulceration of the penile tissue. |
See STI Atlas for images.
If chancroid suspected, seek specialist advice.
Patients with genital ulcers should also be tested for syphilis and herpes infection, as well as Chlamydia trachomatis, serovars L1-L3 and donovanosis if indicated. All patients with genital ulcer disease should be offered an HIV test. Refer to ano-genital ulcers.
Seek specialist advice before treating.
Principal Treatment Options | ||
---|---|---|
Situation | Recommended | Alternative |
Uncomplicated infection | Azithromycin 1g PO, stat OR Ceftriaxone 500mg in 2mL of 1% lignocaine IMI, stat OR Ciprofloxacin 500mg PO, BD for 3 days |
Alternative regimens are not recommended |
Seek specialist advice before treating any complicated presentation.
See Australasian Contact Tracing - Chancroid for more information.
Will be provided by specialist service.
Not required.
Will be provided by specialist service.
Notifiable by all doctors and by laboratory on positive isolation.