iso·​pro·​ter·​e·​nol ˌī-sə-prō-ˈter-ə-ˌnȯl How to pronounce isoproterenol (audio)
: a sympathomimetic agent C11H17NO3 used in the treatment of asthma

Examples of isoproterenol in a Sentence

Recent Examples on the Web In the past, researchers have tested this link by giving individuals drugs such as isoproterenol, which, like naturally occurring adrenaline, can safely speed up the heart rate. Byclaudia Lopez Lloreda,, 1 Mar. 2023 After Valeant Pharmaceuticals acquired the generic medication, isoproterenol, its price rose from $208 to $1,700 per injection, making it the second-highest individual drug expense for the University City institution, the hospital association said. Harold Brubaker,, 10 May 2018 The health system’s pharmacists had alerted doctors about the skyrocketing cost of the drugs, nitroprusside and isoproterenol. Sarah Jane Tribble, Kaiser Health News, 9 Aug. 2017

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

Word History


isopropyl + arterenol norepinephrine, from Arterenol, a trademark

First Known Use

1957, in the meaning defined above

Time Traveler
The first known use of isoproterenol was in 1957

Dictionary Entries Near isoproterenol

Cite this Entry

“Isoproterenol.” Dictionary, Merriam-Webster, Accessed 21 Jul. 2024.

Medical Definition


iso·​pro·​ter·​e·​nol ˈī-sə-prō-ˈter-ə-ˌnȯl, -nəl How to pronounce isoproterenol (audio)
: a sympathomimetic agent used in the form of its hydrochloride C11H17NO3·HCl or sulfate (C11H17NO3)2·H2SO4 especially as a bronchodilator in the treatment of asthma, bronchitis, and emphysema

called also isoprenaline, isopropylarterenol

see isuprel
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