alpha-blocker

noun

al·pha-block·er | \ -ˌbläk-ər

How to pronounce alpha-blocker (audio)

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Medical Definition of alpha-blocker

: any of a group of drugs (as doxazosin and terazosin) that combine with and block the activity of an alpha-receptor to relax smooth muscle (as of blood vessels) and are used especially to treat hypertension and benign prostatic hyperplasia — compare beta-blocker

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