Abdominal PainSimethiconeColonic Diseases, FunctionalIrritable Bowel SyndromeGastrointestinal DiseasesComplex Regional Pain SyndromesPain MeasurementPainPatellofemoral Pain SyndromeSyndromeMyofascial Pain SyndromesPelvic PainReflex Sympathetic DystrophyChronic PainPain ManagementProstatitisPain ThresholdAbdomen, AcutePain, IntractablePain, PostoperativeBack PainLow Back PainAcute PainCystitis, InterstitialNeck PainCausalgiaPain PerceptionChronic DiseaseFacial PainAppendicitisTreatment OutcomeNeuralgiaAutonomic Nerve BlockAnalgesicsPain, ReferredShoulder PainConstipationHyperalgesiaIleal DiseasesFibromyalgiaAbdomenTomography, X-Ray ComputedArthralgiaNociceptive PainTorsion Abnormality