title: Reactivation of healed primary syphilitic ulcer: a manifestation of febrile Herxheimer reaction in secondary syphilis.
authors.forename: N
authors.initials: N
authors.lastname: Khanna
authors.forename: R K
authors.initials: RK
authors.lastname: Pandhi
mesh_terms: D000293:Adolescent; D002601:Chancre / Q000188:drug therapy* / Q000473:pathology; D005334:Fever / Q000209:etiology; D006801:Humans; D008297:Male; D010401:Penicillin G Benzathine / Q000009:adverse effects* / Q000627:therapeutic use; D010406:Penicillins / Q000009:adverse effects* / Q000627:therapeutic use; D010409:Penile Diseases / Q000209:etiology* / Q000473:pathology; D013588:Syphilis Serodiagnosis; D013591:Syphilis, Cutaneous / Q000209:etiology* / Q000473:pathology; D014456:Ulcer / Q000209:etiology / Q000473:pathology
chemical_list: D010406:Penicillins; D010401:Penicillin G Benzathine