Alpha-adrenergic agonists
are used to treat stress incontinence after prostate
cancer treatment. The alpha-adrenergic receptors are
filled in by the alpha-adrenergic agonist which incites
the normal biological action of those receptors. Alpha-adrenergic
receptors that function normally will cause the muscles
in the bladder to tighten. If the bladder neck muscles
do not tighten sufficiently when intra-abdominal pressure
is increased (such as during coughing, sneezing, or
laughing), the bladder cannot hold urine. Taking the
alpha-adrenergic agonist causes the body to produce
more of the neurotransmitter that causes the bladder
neck to tighten. The agonist causes the muscles to tighten
and helps to prevent stress incontinence after prostate
cancer.
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