Patients will receive transcutaneous tibial nerve stimulation for 30 minutes, twice a week, for 6 weeks. Application will be done in an outpatient setting, using disposable surface electrodes.

patients will receive only the routine education program that is given to every patient with idiopathic overactive bladder syndrome. This includes education about the anatomy of the urinary system, patient motivation, and frequent bathroom visits in order to avoid incontinence with gradual increase between each visit to the bathroom.

Bladder training has 4 components, educating the patient about anatomy, fluid intake control, pelvic floor muscle contractions and increasing the interval between visits to the bathroom

The frequency of urination will be recorded by using a bladder diary. Urination frequency will be questioned before and after the study period.

This questionnaire assesses the severity of overactive bladder symptoms in 8 items. Each item is scored from 0 to 5. Higher scores denote worse symptom severity. Maximum score is 40. A score over 11 denotes presence of overactive bladder symptoms. Questionnaire will be answered before and after the treatment period.

This questionnaire includes a total of 19 questions assessing general quality of life and also questions related to urinary symptoms. Maximum score is 100 and higher scores denote lower levels of quality of life. Questionnaire will be answered before and after the treatment period.