Introduction Overactive bladder (OAB) represents a disruption in the storage function of the lower urinary tract. This bothersome condition occurs more commonly in the elderly. Since population forecasts predict a worldwide increase in the proportion of people aged over 65 years, it is reasonable to expect that the healthcare burden associated with OAB will also increase. The pathophysiology of OAB in the elderly is thought to be multifactorial, with an abnormality occurring in the nervous supply and/or the structure/function of the urothelium or bladder smooth muscle, leading to bladder hypersensitivity, abnormalities in bladder sensation (urgency) and involuntary detrusor contraction.
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