Chancroid - KayaKalp International  Chancroid also known as soft chancre is a bacterial disease caused by bacteria called Haemophilus ducreyi that is spread only through sexual contact. Causes Chancroid is caused by a type of bacteria called Haemophilus ducreyi. Symptoms Within 1 to 10 days after getting chancroid, a person will get a small bump in the genitals. Within a few days,...