Table 2.

Treatments attempted prior to referral

Treatment	No. of patients
Anticholinergics	14
Pentosan polysulfate	11
Hydrodistention	7
DMSO	5
Antidepressants	5
Prophylactic antibiotics	3
Sacral neuromodulation	2
Other*	5

^*Other treatments including: silver nitrate instillation, hysterectomy, pyridium, benzodiazepines, steroids, tegretol, chronic narcotics, gabapentin, intravesical chlorpactin.