from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A drug, such as propanolol, that opposes the excitatory effects of norepinephrine released from sympathetic nerve endings at beta-receptors and is used for the treatment of angina, hypertension, arrhythmia, and migraine. Also called beta-adrenergic blocking agent.


Sorry, no etymologies found.


  • One type of drop, a form of beta-blocker, will “lower your heart rate, limiting your exercise capacity ….”

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  • Caveat: The number of adverse heart-rate responses may have been reduced because 39% of the patients were on beta-blocker medication, researchers said.

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  • "Increase of 1-year mortality after perioperative beta-blocker withdrawal in endovascular and vascular surgery patients."

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  • This beta-blocker had kicked the headache out of my head and out of my mind, too.

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  • Then I moved on to my prescription medications, swallowing my antidepressant and my beta-blocker together because they were both round tablets.

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  • After more careful thinking out loud, he upped my dosage of nadolol, a beta-blocker, and increased my nortriptyline, a tricyclic antidepressant.

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  • The beta-blocker had a bitter taste, so I tried to float it on top of the water, never allowing it to touch my tongue, but sometimes I choked and sucked on the nasty medication anyway.

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  • I would be trying a new beta-blocker called nadolol and adding a tricyclic antidepressant called nortriptyline.

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  • Medicare does publish extensive data about medical processes, such as whether a heart-attack victim was given an aspirin or a beta-blocker.

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  • Cancer was detected in the sentinel or closest lymph node of 3.3% of beta-blocker patients and 19% of the non-beta-blocker group.

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