title: Long-lasting atypical acneiform eruption with prominent comedones induced by hydroxocobalamin (vitamin B12 ).
authors.affiliation: Department of Dermatology, Reference centre for cutaneous adverse drug reactions, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
authors.forename: Stefanie
authors.initials: S
authors.lastname: Schulte
authors.forename: Laurens Wietze
authors.initials: LW
authors.lastname: Barkema
authors.forename: Sylvia Helena
authors.initials: SH
authors.lastname: Kardaun
mesh_terms: D017486:Acneiform Eruptions / Q000139:chemically induced* / Q000175:diagnosis / Q000473:pathology; D000328:Adult; D000752:Anemia, Pernicious / Q000188:drug therapy*; D003937:Diagnosis, Differential; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D006879:Hydroxocobalamin / Q000009:adverse effects* / Q000627:therapeutic use; D007049:Iatrogenic Disease; D012867:Skin / Q000473:pathology
chemical_list: D006879:Hydroxocobalamin