AnalgesicsMigraine DisordersAspirinMigraine with AuraMigraine without AuraAnalgesics, OpioidDexmedetomidineAnalgesics, Non-NarcoticAnalgesiaPainPain MeasurementHypnotics and SedativesPain ThresholdMorphineHyperalgesiaNaloxoneReceptors, Opioid, muKetamineDose-Response Relationship, DrugPlant ExtractsAnti-Inflammatory Agents, Non-SteroidalRats, Sprague-DawleyBehavior, AnimalTryptaminesPlatelet Aggregation InhibitorsHeadacheHeadache DisordersTension-Type HeadachePain, PostoperativeAcetaminophenSumatriptanTramadolPhenacetinDouble-Blind MethodPhotophobiaCyclooxygenase InhibitorsCortical Spreading DepressionDihydroergotamineErgotamineTiclopidineDextropropoxypheneIbuprofenDrug ToleranceThromboxane B2SalicylatesCodeinePlatelet AggregationDrug Therapy, CombinationNaproxenSerotonin Receptor AgonistsPizotylineTreatment OutcomeDipyroneHeadache Disorders, SecondaryPlatelet Function TestsMeperidineFentanylPain ManagementAnesthetics, LocalProspective StudiesPentazocineKidney Papillary NecrosisTime FactorsOxycodonePain, IntractableNociceptorsInjections, SpinalRisk FactorsBupivacaineHeadache Disorders, PrimaryBlood PlateletsKetoprofenAnalgesia, EpiduralSodium SalicylateOphthalmoplegic MigraineCarrageenanTolmetinCyclooxygenase 2 InhibitorsDiclofenacNociceptionAnalgesia, Patient-ControlledKetorolacNeuralgiaCyclooxygenase 1Calcitonin Gene-Related PeptideAcupuncture AnalgesiaChronic DiseaseFibrinolytic AgentsHyperacusisCross-Over StudiesAdministration, OralNefopamReceptors, OpioidHydrocodoneNarcotic AntagonistsDrug InteractionsForamen Ovale, PatentProstaglandin-Endoperoxide SynthasesQuestionnairesHydromorphone