Forty volunteers women diagnosed clinically by gynecologist as painful bladder syndrome were participated in this study. They were selected randomly from the gynecological outpatient clinic, at Al-Zahra Universal Hospital, Al Azhar University, their ages ranged from 25 to 40 years and their body mass index was > 30 kg/m2. All participants complain from suprapubic pain related to bladder filling, accompanied by other symptoms such as increased daytime and night-time frequency. Exclusion criteria of the study were as follows: Participant who had acute viral disease, acute tuberculosis and mental disorders, benign or malignant tumors of the pelvic region, Participant who had active endometriosis or having artificial pacemaker or cardiac arrhythmia, Participant who had sensory disturbances.
Participants were assigned randomly used sealed envelope into two groups (A&B) equally in number. Group (A): Consisted of twenty patients suffering from painful bladder syndrome. They received interferential current at the lower abdomen, and also received traditional medicine (they were administered anticholinergics (propiverine hydrochloride 20 mg/once per day in the morning) for 8 successive weeks. Group (B): Consisted of twenty patients suffering from painful bladder syndrome. They received traditional medicine (they were administered anticholinergics (propiverine hydrochloride 20 mg/once per day in the morning) for 8 successive weeks