title: Severe perianal ulceration.
authors.affiliation: St John's Institute of Dermatology, Guy's and St Thomas' Foundation Trust, London SE1 7EH. naomi.webber@doctors.org.uk
authors.forename: Naomi Kate
authors.initials: NK
authors.lastname: Webber
authors.forename: Alistair
authors.initials: A
authors.lastname: Robson
authors.forename: Eithne
authors.initials: E
authors.lastname: Macmahon
authors.forename: Ann-Marie
authors.initials: AM
authors.lastname: Powell
mesh_terms: D000212:Acyclovir / Q000627:therapeutic use; D000328:Adult; D000998:Antiviral Agents / Q000627:therapeutic use; D001004:Anus Diseases / Q000175:diagnosis* / Q000188:drug therapy; D005260:Female; D006561:Herpes Simplex / Q000175:diagnosis* / Q000188:drug therapy; D006801:Humans; D012883:Skin Ulcer / Q000188:drug therapy / Q000821:virology*
chemical_list: D000998:Antiviral Agents; D000212:Acyclovir