PremedicationPreanesthetic MedicationMidazolamAdministration, OralAcepromazineMeperidineAdjuvants, AnesthesiaHypnotics and SedativesDiazepamClonidineAnti-Anxiety AgentsDrug HypersensitivityPromethazineDouble-Blind MethodFentanylAnesthetics, IntravenousAdministration, RectalAmbulatory Surgical ProceduresAnesthesia, GeneralDrug Administration ScheduleCandyInfusions, IntravenousAnesthesia, DentalDiphenhydraminePropofolMethyl EthersAnesthesia, InhalationButorphanolButylscopolammonium BromideAnesthesia, IntravenousInjections, IntramuscularPaclitaxelInjections, IntravenousAntineoplastic Agents, PhytogenicNeuroleptanalgesiaAdrenergic alpha-AgonistsAnxiety, SeparationMedetomidineKetamineAtropineDose-Response Relationship, DrugBelladonna AlkaloidsAnesthetics, InhalationIntubation, IntratrachealAdministration, BuccalAnesthesia Recovery PeriodHistamine H1 AntagonistsAdministration, SublingualLorazepamClemastineThiopentalBenperidolAnesthetics, DissociativeAnesthesiaTime FactorsAnesthesia, LocalSympatholyticsOpiumSuccinylcholineAnalgesicsIodine CompoundsOphthalmologic Surgical ProceduresHeart RateConscious SedationNitrous OxideIsonipecotic AcidsAnalgesics, OpioidMiosisMorphineUnited States Food and Drug AdministrationDrug InteractionsTaxoidsRandom AllocationVomitingBlood PressureGastroscopyPain, PostoperativeAnxietyTreatment OutcomeDrug Administration RoutesProspective StudiesDental AnxietyHemodynamicsRats, Sprague-DawleyDrug CombinationsPainScopolamine HydrobromideParasympatholyticsXylazineIsofluraneGynecologic Surgical ProceduresDimethylpolysiloxanesNauseaAnesthesia, SpinalAnestheticsAnesthetics, CombinedNeuromuscular Nondepolarizing AgentsAdministration, IntranasalIntraoperative PeriodRats, Wistar