common sexually transmitted diseases. CHANCROID. Chancroid is caused by Haemophilus ducreyi Chancroid is a bacterial infection caused by Haemophilus ducreyi.
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Genital herpes can look like chancroid.
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The only treatment for chancroid is antibiotics given either
once or for several days.
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The best prevention for chancroid is to use a condom during
sexual intercourse. Chancroid can also be prevented by abstinence
(avoidance of any sexual contact) and by being in a monogamous
relationship with a disease-free partner.