AmoxicillinPainPain ManagementPain MeasurementPain, PostoperativeAmoxicillin-Potassium Clavulanate CombinationPain, IntractableChronic PainAnti-Bacterial AgentsPenicillinsClavulanic AcidLow Back PainBack PainPain ThresholdAnalgesics, OpioidAnalgesicsClarithromycinClavulanic AcidsTreatment OutcomeAbdominal PainAnesthetics, LocalNeck PainMetronidazoleLabor PainAnalgesiaFacial PainDouble-Blind MethodDrug Therapy, CombinationAnalgesia, ObstetricalPelvic PainNerve BlockHelicobacter pyloriMicrobial Sensitivity TestsAcute PainBupivacaineAnalgesia, EpiduralRelief WorkHelicobacter Infections2-PyridinylmethylsulfinylbenzimidazolesOmeprazolePain PerceptionAmpicillinNeuralgiaShoulder PainAnalgesia, Patient-ControlledMorphineTrigeminal NeuralgiaInjections, EpiduralPain, ReferredPenicillin ResistanceOtitis MediaAnti-Ulcer AgentsCeliac PlexusLansoprazoleAnalgesics, Non-NarcoticTramadolInjections, Intra-ArticularZygapophyseal JointDrug Resistance, BacterialStreptococcus pneumoniaeChronic DiseaseProspective StudiesAcupuncture AnalgesiaRadiculopathyFurazolidoneHydromorphoneRabeprazoleAdministration, OralFentanylTranscutaneous Electric Nerve StimulationPalliative CareTooth ExtractionMeperidinebeta-LactamsMusculoskeletal PainArthralgiaInjections, SpinalElectric Stimulation TherapyDrug CombinationsVertebroplastyAcute DiseaseTime FactorsCausalgiaComplex Regional Pain SyndromesBismuthLidocaineFollow-Up StudiesOpiumProton Pump InhibitorsCefaclorDrug Administration ScheduleDiclofenacAnti-Inflammatory Agents, Non-SteroidalCefuroximeAnti-Infective AgentsAzithromycinFractures, CompressionAnesthesia, EpiduralKetorolacAcetaminophen