Fig. 7. Most commonly used drugs today to treat overactive bladder are anticholinergics. Despite all components of lower urinary tract and nervous system that control it, only anticholinergic drugs have been used in past 30 years to treat overactive bladder. (From Yoshimura N, Chancellor MB: Current and future pharmacological treatment for overactive bladder. J Urol 168:1897–1913, 2002).