GoutMigraine DisordersMigraine without AuraTension-Type HeadacheHeadacheArthritis, GoutyErgotamineMigraine with AuraMotion SicknessHeadache DisordersAllopurinolHeadache Disorders, PrimaryTinnitusPhotoplethysmographyFacial PainQuestionnairesPainChronic DiseaseUricosuric AgentsUrate OxidaseSleep Initiation and Maintenance DisordersAnalgesicsIrritable Bowel SyndromeRhinitis, Allergic, SeasonalAttitude to HealthPrevalenceSeverity of Illness IndexQuality of LifePain MeasurementLow Back Pain