pro·​pran·​o·​lol prō-ˈpra-nə-ˌlȯl How to pronounce propranolol (audio)
: a beta-blocker C16H21NO2 used in the form of its hydrochloride in the treatment of abnormal heart rhythms and angina pectoris

Example Sentences

Recent Examples on the Web There’s even limited evidence that a beta-blocker, propranolol, can reduce social anxiety in the short-term. Carl Engelking, Discover Magazine, 30 Aug. 2017 Beta blockers like metoprolol and propranolol are not very effective in people over 65, and are usually used only when there are other good reasons to use them, like in a person with heart disease or migraine. Dr. Keith Roach, oregonlive, 15 Mar. 2022 Currently, essential tremor is managed with propranolol, a blood pressure drug, and primidone, an anti-seizure medication. Megan Schmidt, Discover Magazine, 15 Jan. 2020 Six-session treatments with a total of 12 doses of propranolol have shown better results. Kat Mcgowan, Discover Magazine, 31 July 2010 In 2020, the regimen was modified again to swap propranolol with phenobarbital, commonly used as a treatment for epilepsy. Emilie Le Beau Lucchesi, Discover Magazine, 19 Nov. 2021 Many musicians, actors, and public speakers use propranolol. Amy Dickinson, oregonlive, 25 Dec. 2021 In this category, a plan might cover atenolol and propranolol, but not metoprolol. Diane Omdahl, Forbes, 14 Sep. 2021 See More

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

Word History


propyl + propanol + -ol entry 1

First Known Use

1964, in the meaning defined above

Time Traveler
The first known use of propranolol was in 1964

Dictionary Entries Near propranolol

Cite this Entry

“Propranolol.” Dictionary, Merriam-Webster, Accessed 31 May. 2023.

Medical Definition


pro·​pran·​o·​lol prō-ˈpran-ə-ˌlȯl How to pronounce propranolol (audio) -ˌlōl How to pronounce propranolol (audio)
: a beta-blocker used in the form of its hydrochloride C16H21NO2·HCl especially in the treatment of hypertension, cardiac arrhythmias, and angina pectoris and in the prevention of migraine headache

Note: Trademarks for propranolol include Inderal and Innopran.

called also propanolol

see inderal

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