aten·​o·​lol ə-ˈte-nə-ˌlȯl How to pronounce atenolol (audio)
: a beta blocker C14H22N2O3 used in the treatment of hypertension

Examples of atenolol in a Sentence

Recent Examples on the Web The pharmacy was fined $50,000, and an additional $5,000 for the inspectors’ finding that a pharmacist had dispensed a prescription of atenolol, a blood pressure medicine, without consulting with the customer about how to safely take it. Melody Petersen, Los Angeles Times, 5 Sep. 2023 That’s also probably due to the atenolol. Tony Dajer, Discover Magazine, 27 Aug. 2019 The goal for atenolol as a blood pressure medicine is not the resting heart rate, but the resting blood pressure. Dr. Keith Roach, oregonlive, 15 Aug. 2022 Toxicology testing found amiodarone, a drug used to treat abnormal heart rhythms, and atenolol, used to treat hypertension, in his system, the report states. Dennis Romero, NBC News, 20 July 2022 However, atenolol and other beta blockers are seldom used as the first medicine to treat blood pressure, except in cases where beta blockers also are useful for something else. Dr. Keith Roach, oregonlive, 15 Aug. 2022 In this category, a plan might cover atenolol and propranolol, but not metoprolol. Diane Omdahl, Forbes, 14 Sep. 2021 The beta blocker atenolol may cause erectile dysfunction or impair the ability to exercise, for example. NBC News, 13 Nov. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'atenolol.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


perhaps from antihypertensive + -olol (as in propranolol)

First Known Use

1972, in the meaning defined above

Time Traveler
The first known use of atenolol was in 1972

Dictionary Entries Near atenolol

Cite this Entry

“Atenolol.” Dictionary, Merriam-Webster, Accessed 20 Jun. 2024.

Medical Definition


aten·​o·​lol ə-ˈten-ə-ˌlȯl, -ˌlōl How to pronounce atenolol (audio)
: a beta-blocker C14H22N2O3 used in the treatment of hypertension see tenormin
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