Chancroid

Chancroid
Other namesSoft chancre and Ulcus molle
Chancroid stained with gentian violet
SpecialtyInfectious diseases, dermatology 

Chancroid (/ˈʃæŋkrɔɪd/ SHANG-kroyd) is a bacterial sexually transmitted infection characterized by painful sores on the genitalia. Chancroid is known to spread from one individual to another solely through sexual contact. However, there have been reports of accidental infection through the hand.