Prevalence Interstitial Cystitis


  • Prevalence in United States between 500,000 and one million
  • 85-90% of patients are women
  • Severe cases account for 10% of total
  • Subacute onset common, with full development of symptom complex in weeks to months
  • Subsequent major deterioration is the exception, not the rule
  • Symptom severity waxes and wanes in intensity
  • Up to 50% of patients experience temporary spontaneous symptom remission with mean duration of 8 months
  • Childhood bladder problems 10-times more common in IC patients than controls
  • IC patients have twice the incidence of history of urinary infection as do controls
  • Quality of life of IC patients as compared to patients with chronic renal failure on dialysis.


United States

Interstitial Cystitis

Estimated Prevalence: About 700,000 people (90 percent of whom are women)1

National Bladder Foundation - Visit this site

Estimated Prevalence: Approximately 500,000 people, 90% are women




  1. Ratner V, Taylor N, Wein AJ, Hanno PJ. Re: Epidemiology of interstitial cystitis: a population based study. Journal of Urology. 1999;162(2):500. Letter.