Follow-up
Within 3–7 days after commencing treatment, patients should be re-examined to determine whether the treatment was successful. Within 3 days, symptoms of ulcers should improve. Healing time of the ulcer depends mainly on size and can take more than two weeks for larger ulcers. In uncircumcised men, healing is slower if the ulcer is under the foreskin. Sometimes, needle aspiration or incision and drainage are necessary. Epidemiology
Although the prevalence of chancroid has decreased in the United States and worldwide, sporadic outbreaks can still occur in regions of the Caribbean and Africa. Like other sexually transmitted diseases, having chancroid increases the risk of transmitting and acquiring HIV. History
Chancroid has been known to humans since time of ancient Greeks. Some of important events on historical timeline of chancre are:

References


== External links ==
Melanoderma is a genus of two species of white rot poroid fungi in the family Polyporaceae. The genus was circumscribed in 2011 to accommodate the type species Melanoderma microcarpum, found in China. Melanoderma disciforme, found in Yunnan, was added to the genus in 2015. The generic name Melanoderma refers to the dark-coloured crust of the cap. Phylogenetic analyses shows that Melanoderma is closely related to the genus Vanderbylia. == References ==