HeadacheHeadache DisordersTension-Type HeadacheCluster HeadacheVascular HeadachesMigraine DisordersHeadache Disorders, SecondaryPost and Core TechniqueMigraine without AuraSpinal PunctureMigraine with AuraBlood Patch, EpiduralNeurologyAnalgesicsTrigeminal Autonomic CephalalgiasTryptaminesSumatriptanDura MaterIntracranial HypotensionTreatment OutcomeTrigeminal NervePhotophobiaPain MeasurementMagnetic Resonance ImagingPrevalenceQuestionnairesChronic DiseaseTomography, X-Ray ComputedFacial PainNeurologic ExaminationTooth, NonvitalTime FactorsFacial NeuralgiaDouble-Blind MethodNeck PainDiagnostic Techniques, NeurologicalPseudotumor CerebriAmitriptylineProspective StudiesTemporomandibular Joint DisordersNeurosurgical ProceduresRetrospective StudiesRelaxation TherapyPain ClinicsWhiplash Injuries