Oxybutynin is preferred to tolterodine for overactive bladder

Question Is extended release oxybutynin or tolterodine more effective and tolerable in women with an overactive bladder?

Synopsis Overactive bladder is characterised by symptoms of urinary urgency, and frequent micturitions with or without involuntary loss of urine (urge incontinence). This randomised controlled (double blinded) study, conducted in 71 centres in the United States, enrolled 790 older women with 21 to 60 urge urinary incontinence episodes per week and who urinated 10 or more times …