ClonidineAdrenergic alpha-AgonistsMedication ErrorsMedication AdherenceAdrenergic alpha-2 Receptor AgonistsPreanesthetic MedicationYohimbineMedication ReconciliationMedication SystemsMedication Systems, HospitalReceptors, Adrenergic, alpha-2SympatholyticsAnalgesicsAdrenergic alpha-AntagonistsImidazoline ReceptorsReceptors, Adrenergic, alphaGuanfacineInjections, SpinalAntihypertensive AgentsPrescription DrugsDouble-Blind MethodSelf MedicationBlood PressureIdazoxanDrug PrescriptionsAdjuvants, AnesthesiaPolypharmacyPatient ComplianceAdrenergic alpha-2 Receptor AntagonistsOxymetazolineDrug TherapyHypnotics and SedativesPsychotropic DrugsNorepinephrinePrazosinPremedicationDrug InteractionsHeart RateDose-Response Relationship, DrugAnalgesia, EpiduralPhentolamineReceptors, AdrenergicAntipsychotic AgentsMorphineAnalgesics, OpioidDioxanesNonprescription DrugsDrug UtilizationTreatment OutcomeDrug-Related Side Effects and Adverse ReactionsPharmacistsClinical Pharmacy Information SystemsAntidepressive AgentsPain, PostoperativeUnited StatesAnesthetics, LocalHypertensionWaxesHemodynamicsPharmaceutical PreparationsTime FactorsGuanabenzPain MeasurementPainMedical Order Entry SystemsDexmedetomidineDrug Therapy, Computer-AssistedNeostigmineAdministration, OralSubstance Withdrawal SyndromeMedetomidineEpinephrineTooth InjuriesSympathetic Nervous SystemBupivacaineElectronic PrescribingMethyldopaProspective StudiesDrug CostsInjections, EpiduralAnalgesics, Non-NarcoticRetrospective StudiesDesipramineInjections, IntravenousInsurance, Pharmaceutical ServicesImidazolesAnti-Asthmatic Agents