DiphenhydramineConscious SedationHistamine H1 AntagonistsDeep SedationHypnotics and SedativesReceptors, Histamine H1ChlorpheniramineTripelennamineHistamineReceptors, HistamineCimetidineHistamine AntagonistsMetiamideHistamine H1 Antagonists, Non-SedatingMidazolamDoxepinReceptors, Histamine H2Anesthesia, DentalPyrilaminePropofolHistamine H2 AntagonistsMetoclopramidePromethazineDimapritDealkylation