Alpha adrenergic antagonists compete with endogenouscatecholamines for binding at alpha- 1 and alpha -2receptors.
Because norepinephrine and epinephrine cannot bind to areceptor that is occupied by an antagonist, the actions ofcatecholamines are inhibited.
Adrenergic receptor blockers are used to treathypertension.
What side effects can be expected?
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