Sexually Transmitted Diseases

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Overview

Chancroid is a highly infectious bacterial disease caused by Haemophilus ducreyi that affects the skin and mucous membranes of the penis, vulva, urethra, and anus. It produces painful irregularly shaped nonsyphilitic ulcers (called chancroids, soft chancres, or soft sores) that may heal without treatment.

Incidence and Prevalence

THe number of new cases of chancroid in the United States dropped to approximately 140 in 1999. Chancroid is most common in men aged 25 to 35. Some...Read the full article