title: Syphilis: a cause of fever of unknown origin.
abstract: A homosexual man presented with a persistent high fever and a pruritic maculopapular eruption. All symptoms abated following penicillin treatment. Physicians should be aware that syphilis may present as a fever of unknown origin.
mesh_terms: D000328:Adult; D005335:Fever of Unknown Origin / Q000209:etiology*; D006716:Homosexuality; D006801:Humans; D008297:Male; D010401:Penicillin G Benzathine / Q000627:therapeutic use; D013587:Syphilis / Q000150:complications* / Q000175:diagnosis / Q000188:drug therapy
chemical_list: D010401:Penicillin G Benzathine