Letter B

Bladder, overactive

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Bladder, overactive: A sudden involuntary contraction of the muscular wall of the bladder causing urinary urgency, an immediate unstoppable need to urinate.

It is a form of urinary incontinence (the unintentional loss of urine) and affects about 1 in 11 adults, particularly older adults.

Treatment may include pelvic muscle strengthening, behavioral therapy, and medications.

Also called urge incontinence

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