Alpha blocker - Definition

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Definition


Alpha blockers make up a class of medication that regulates the pressure in the arteries of an organism. Their principal mechanism is to limit the action of alpha-adrenergic receptors (receptors of adrenaline and noradrenaline), hence their name alpha-blockers. These treatments are used to counteract arterial hypertension or adenoma of the prostate, according to the class to which they belong (alpha 1 blockers treat prostatic hypertrophy). Indeed, there exist several types of alpha receptors.