title: Antihistamines as local anesthetic agents for allergic patients.
mesh_terms: D000766:Anesthesia, Dental / Q000009:adverse effects; D000772:Anesthesia, Local / Q000009:adverse effects; D003813:Dentistry; D004342:Drug Hypersensitivity / Q000517:prevention & control; D006634:Histamine H1 Antagonists / Q000627:therapeutic use
chemical_list: D006634:Histamine H1 Antagonists