detrusor instability

The detrusor instability - Inappropriate contraction of the detrusor muscle in the wall of the bladder that causes an uncontrollable release of urine even when the bladder is not sufficiently full to trigger urination.

It may have various causes, including bladder inflammation, obstruction of the bladder outlet (for example, by a stone or, in men, by an enlarged prostate gland), or damage to the nerves supplying the bladder. (See also incontinence, urinary.)


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