ve·​rap·​a·​mil və-ˈra-pə-ˌmil How to pronounce verapamil (audio)
: a calcium channel blocker C27H38N2O4 used especially in the form of its hydrochloride

Examples of verapamil in a Sentence

Recent Examples on the Web But many prescription medicines can cause constipation: iron supplements, the blood pressure medicine verapamil, antihistamines, antidepressants, and many others. Dr. Keith Roach, oregonlive, 26 Jan. 2023 Currently, cluster headaches are commonly managed with medications such as lithium carbonate and verapamil. Nick Blackmer, Verywell Health, 20 Apr. 2023 And as Dan Nosowitz has reported for Atlas Obscura, several interacting drugs that bear warnings in Canada—among them, Viagra, oxycodone, the HIV antiviral Edurant, and the blood pressure medication verapamil—don’t mention any issues with grapefruit in the United States. Katherine J. Wu, The Atlantic, 26 Dec. 2022 Finally, calcium channel blockers, like verapamil, may help prevent migraine with aura. Abigail Libers, SELF, 9 Mar. 2022 For some drugs, such as fexofenadine and verapamil, the PNECs are unknown because the calculations have not been done or are not publicly available. Natasha Gilbert, STAT, 11 Dec. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'verapamil.' 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 verap- (altered from letters of papaverine, from analogs of which the drug was developed) + am(ino) + (nitr)il(e)

First Known Use

1967, in the meaning defined above

Time Traveler
The first known use of verapamil was in 1967

Dictionary Entries Near verapamil

Cite this Entry

“Verapamil.” Dictionary, Merriam-Webster, Accessed 15 Jul. 2024.

Medical Definition


ve·​rap·​am·​il və-ˈrap-ə-ˌmil How to pronounce verapamil (audio)
: a calcium channel blocker that is administered in the form of its hydrochloride C27H38N2O4·HCl especially to treat hypertension and angina pectoris see calan

More from Merriam-Webster on verapamil

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!