title: Primary syphilis following a human bite.
abstract: The case of a 34-year-old man with primary syphilis is described. The lesions developed on his penis 11 weeks after he sustained a human bite in the same area. Oral administration of cephalexin for five days did not prevent the infection buy may have prolonged the incubation period.
mesh_terms: D000328:Adult; D001733:Bites and Stings / Q000150:complications*; D001734:Bites, Human / Q000150:complications*; D002506:Cephalexin / Q000627:therapeutic use; D006716:Homosexuality; D006801:Humans; D008297:Male; D012883:Skin Ulcer / Q000209:etiology; D013587:Syphilis / Q000517:prevention & control / Q000635:transmission*
chemical_list: D002506:Cephalexin