Cystitis Overview: Interstitial Cystitis (IC) is a painful condition of the bladder. The bladder has a mucous layer that protects the inner liner. When that mucous layer is damaged, the bladder can become inflamed and infectious. Cystitis Causes: Causes of IC are not fully understood. It is widely accepted that the mucous layer in the bladder has been damaged in people with IC. Since the bladder houses a person’s natural waste (urine) for sometimes hours, it is thought that certain… Read More