al·​pha-block·​er -ˌbläk-ər How to pronounce alpha-blocker (audio)
: 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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Cite this Entry

“Alpha-blocker.” Medical Dictionary, Merriam-Webster, Accessed 21 Jul. 2024.

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