![]() ![]() ![]() Overflow incontinence occurs when the patient's bladder is always full so that it frequently leaks urine. Epidural anesthesia and delivery also can cause the overflow incontinence. Calcium channel blockers may decrease the contractility of the smooth muscle tissue in the urinary bladder, causing urinary retention with overflow incontinence. Alpha-adrenergic agonists may cause urinary retention by stimulating the contraction of the urethral sphincter. Anticholinergic side effects of certain medications (for example, certain antipsychotics and antidepressants) may cause urinary retention which may lead to overflow incontinence. This results in loss of detrusor contraction, difficulty in initiating micturition and overflow incontinence. Lesions affecting sacral segments or peripheral autonomic fibres result in atonic bladder with loss of sphincteric coordination. Overflow incontinence may also be a side effect of certain medications. This condition occurs in people who have a blockage of the bladder outlet ( benign prostatic hyperplasia, prostate cancer, or narrowing of the urethra), or when the muscle that expels urine from the bladder is too weak to empty the bladder normally. Overflow incontinence is a concept of urinary incontinence, characterized by the involuntary release of urine from an overfull urinary bladder, often in the absence of any urge to urinate. CT scan in the sagittal plane which reveals a greatly enlarged urinary bladder caused by urinary retention, a condition which often leads to overflow incontinence. ![]()
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