diltiazem

noun

dil·​ti·​a·​zem dil-ˈtī-ə-(ˌ)zem How to pronounce diltiazem (audio)
: a calcium channel blocker C22H26N2O4S used especially in the form of its hydrochloride as a coronary vasodilator

Examples of diltiazem in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The pills were identified on Friday, Feb. 28, as an unspecified thyroid medication, Tylenol, and high blood pressure medication, diltiazem. Charna Flam, People.com, 1 Mar. 2025 This included two green cellular devices, thyroid medication, diltiazem medication (a calcium channel blocker), Tylenol, medical records and a 2025 monthly planner. Kevin Dolak, The Hollywood Reporter, 28 Feb. 2025 According to a search warrant obtained by PEOPLE, the pills were Tylenol, a thyroid medication, and diltiazem, which is used to treat high blood pressure and chest pain. Wesley Stenzel, EW.com, 28 Feb. 2025 The interaction between vitamin D and diltiazem is related to how both drugs affect calcium levels. Kirstyn Hill, Pharmd, Mph, Health, 13 Jan. 2025 If taking diltiazem and vitamin D, let your healthcare provider know. Kirstyn Hill, Pharmd, Mph, Health, 13 Jan. 2025 There are other calcium blockers that might not have the same side effect, and the cardiologist might try one related to amlodipine (like nifedipine) or unrelated (like diltiazem). Dr. Keith Roach, oregonlive, 7 Jan. 2022 The researchers were able to directly connect the opsin signaling cascade to this change in feeding behavior by introducing a blocker of opsin signaling, cis-diltiazem. Christie Wilcox, Discover Magazine, 5 Mar. 2012 Studies in mice narrowed the search to just one candidate, the calciumchannel blocker diltiazem, which is normally used to treat hypertension. Neil Savage, Scientific American, 18 Sep. 2019

Word History

Etymology

probably from International Scientific Vocabulary dilator + benzothiazepin, tricyclic compound structurally similar to benzodiazepine + -m (as in diazepam)

First Known Use

1975, in the meaning defined above

Time Traveler
The first known use of diltiazem was in 1975

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Cite this Entry

“Diltiazem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diltiazem. Accessed 9 Mar. 2025.

Medical Definition

diltiazem

noun
dil·​ti·​a·​zem dil-ˈtī-ə-(ˌ)zem How to pronounce diltiazem (audio)
: a calcium channel blocker used especially in the form of its hydrochloride C22H26N2O4S·HCl as a coronary vasodilator see cardizem

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