Efficacy of Hyoscine-n-butylbromide in Catheter-related Bladder Discomfort After Elective Cesarean Section.

Inclusion Criteria: * Elective primary or repeat cesarean section at or more than 38 weeks of gestation scheduled to insert a Foley catheter in the operation site. Exclusion Criteria: * • Urinary infection (assessed clinically and by urinalysis of midstream sample of urine (MSSU) with chemical indicator strips or dipsticks). * Contraindications for general anesthesia. * Maternal bladder, urethral and renal disorders causing irritating voiding problems such as dysuria, urge and stress incontinence. * Obstructive voiding symptoms like incomplete emptying, straining and voiding difficulty before surgery. * Overactive bladder (frequency: more than three times during the night or more than eight times in 24 h). * Morbid obesity. * Disturbances of the central nervous system (epilepsy, patients receiving MAO inhibitor). * Hypertensive disorders and/ or systemic disease requiring particular patient care (for example, cardiac disease, nephritic disorders). * Chronic analgesic abuse. * Hepatic or psychiatric disease will be excluded from the study. * A history of hypersensitivity or contraindication to hyoscine-n-butylbromide.