“…According to previous reports, vascular/hemodynamic and intestinal factors, as well as some kinds of medications, including contraceptive pills, vasoconstrictors, psychotropic drugs, non-steroidal antiinflammatory drugs, and 5-hydroxytriptamine three receptor antagonists, are associated with the pathogenesis of IC. Vascular disorders include hypertension [3], dyslipidemia [4], diabetes mellitus [5], atrial fibrillation [6], cardiovascular disease [7,8], cerebral infarction [9], and chronic renal failure [7,10], while intestinal factors mainly comprise constipation [8] and history of abdominal operation [7,8,11].…”