title: Acquired allergic reaction to topical anesthesia--a case report.
abstract: The incidence of allergic reactions to injected local anesthesia in dentistry is rare. This case was initially suspected of being such an allergic reaction. Careful history taking and immunological techniques indicated a reaction to the topical anesthesia.
authors.forename: M
authors.initials: M
authors.lastname: Helfman
mesh_terms: D000328:Adult; D000779:Anesthetics, Local / Q000009:adverse effects*; D001566:Benzocaine / Q000009:adverse effects*; D003937:Diagnosis, Differential; D003875:Drug Eruptions / Q000209:etiology*; D005076:Exanthema / Q000139:chemically induced*; D005260:Female; D006801:Humans; D008012:Lidocaine / Q000009:adverse effects; D008047:Lip Diseases / Q000139:chemically induced*; D008619:Mepivacaine / Q000009:adverse effects; D009059:Mouth Diseases / Q000139:chemically induced*
chemical_list: D000779:Anesthetics, Local; D008012:Lidocaine; D008619:Mepivacaine; D001566:Benzocaine