Table 1.

NIDDK Diagnostic Criteria for Interstitial Cystitis

Automatic inclusion

Hunner’s ulcer

Positive factors (2 must be present for inclusion)

Pain on bladder filling relieved by emptying

Pain (suprapubic, pelvic, urethral, vaginal, or perineal)

Glomerulations on cystoscopy

Decreased compliance on cystometrogram

Exclusions

Nocturia < 2 times per night

Symptom duration < 12 mo

Bladder capacity > 400 mL

Involuntary bladder contractions

Other causes of symptoms: bladder cancer, cystitis (radiation, tuberculous, bacterial), vaginitis, active herpes, bladder or lower ureteral calculi, involuntary bladder contractions

NIDDK, National Institute of Diabetes and Digestive and Kidney Diseases. Adapted with permission from Gillenwater JY and Wein AJ.¹⁷