Drug-Related Side Effects and Adverse ReactionsPharmaceutical PreparationsAdverse Drug Reaction Reporting SystemsPharmacovigilanceDrug EruptionsDrug HypersensitivityProduct Surveillance, PostmarketingStevens-Johnson SyndromeExanthemaPolypharmacyPharmacogeneticsDermatitis, ExfoliativeUrticariaDrug MonitoringDrug PrescriptionsDrug TherapyPharmacoepidemiologyChild, HospitalizedOxyphenisatin AcetateErythema MultiformeSkin DiseasesDrug-Induced Liver InjuryTertiary Care CentersDrug LabelingPharmacology, ClinicalMedication ErrorsDrug InteractionsAnticonvulsantsPharmacistsDatabases, FactualAnti-Inflammatory Agents, Non-SteroidalHospitals, TeachingGalactorrheaSulfamethoxazoleHospitals, PediatricInpatientsPhotosensitivity DisordersProspective StudiesHospitals, UniversityRetrospective StudiesDrug Information Services