Interstitial cystitis, also called painful bladder syndrome (PBS), is a chronic inflammation of the bladder. It can cause a lot of pain and discomfort. Interstitial cystitis symptoms include increased frequency of urination, and severe pain in the bladder and the pelvic region. Some patients also suffer from muscle and joint pain, headaches, and gastrointestinal problems. Women experience more pain, especially during menstruation and intercourse. Men…