calcium channel blocker

noun

: any of a class of drugs (such as verapamil) that prevent or slow the influx of calcium ions into smooth muscle cells and are used especially to treat some forms of angina pectoris and some cardiac arrhythmias

Examples of calcium channel blocker 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.
Celery Seeds Celery seeds may help lower blood pressure by acting like calcium channel blockers. Lauren Panoff, Verywell Health, 11 Dec. 2025 Everyone in the study took a combination blood pressure drug containing the angiotensin II receptor blocker olmesartan 20 milligrams (mg) and the calcium channel blocker amlodipine 5 mg. Emily Kay Votruba, EverydayHealth.com, 11 July 2025 If not, medications that increase dopamine in the brain to regulate muscle movements, calcium channel blockers that relax muscles, muscle relaxants, sleep medicine or opioids may be prescribed. The Washington Post, San Diego Union-Tribune, 20 May 2025 Certain medications can also cause or irritate existing acid reflux symptoms, including benzodiazepines, calcium channel blockers, certain asthma medications, nonsteroidal anti-inflammatory drugs (NSAIDs) and tricyclic antidepressants, according to NIH. Hannah Yasharoff, USA Today, 19 Apr. 2025 Other medications — including antidepressants, sedatives, muscle relaxants, diabetes medications and calcium channel blockers — can also influence bladder function or fluid balance, inadvertently worsening nocturia. Dr. Jamin Brahmbhatt, CNN Money, 26 Mar. 2025

Word History

First Known Use

1977, in the meaning defined above

Time Traveler
The first known use of calcium channel blocker was in 1977

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Cite this Entry

“Calcium channel blocker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calcium%20channel%20blocker. Accessed 22 Dec. 2025.

Medical Definition

calcium channel blocker

noun
: any of a class of drugs (as verapamil) that prevent or slow the influx of calcium ions into smooth muscle cells especially of the heart and that are used especially to treat some forms of angina pectoris and some cardiac arrhythmias

called also calcium blocker

Last Updated: - Updated example sentences
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