Interstitial cystitis source: http://www.mayoclinic.com/health/interstitial-cystitis/DS00497 Definition Interstitial cystitis (in-tur-STISH-ul sis-TI-tis) is a chronic condition characterized by a combination of uncomfortable bladder pressure, bladder pain and sometimes pain in your pelvis, which can range from mild burning or discomfort to severe pain. While interstitial cystitis — also called painful bladder syndrome — can affect children and men, […]