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
Guidelines recommend thiazide diuretics, calcium channel blockers, ACE inhibitors, or ARBs as first-line treatments.
—
Karen Berger, Pharmd, Verywell Health, 28 Mar. 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
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
As with AFib, a cardiologist might prescribe beta blockers or calcium channel blockers to treat the symptoms and control the heart’s rhythm.
—Lori Oliwenstein, TIME, 12 Sep. 2024
Researchers found that the supplement may alter the effectiveness of certain diuretics, calcium channel blockers, and nonsteroidal anti-inflammatory drugs (NSAIDs).
—Chelsea Rae Bourgeois, Rdn, Ld, Health, 11 Jan. 2025
Calcium Channel Blockers Grapefruit may interact with some blood pressure medications—specifically the calcium channel blocker drug class.
—Ross Phan, Pharmd, Bcacp, Bcgp, Bcps, Verywell Health, 1 Nov. 2024
Magnesium can act like a natural calcium channel blocker and potentially affect blood pressure.
—Alex Yampolsky, Verywell Health, 28 Oct. 2024
Cardiologists may also recommend drugs to restore a more normal heartbeat, including beta blockers or calcium channel blockers, which work by lowering the heart’s pumping rate and giving the cardiac muscles a bit of a biological break.
—Lori Oliwenstein, TIME, 12 Sep. 2024
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.
Karen Berger, Pharmd, Verywell Health, 28 Mar. 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
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
As with AFib, a cardiologist might prescribe beta blockers or calcium channel blockers to treat the symptoms and control the heart’s rhythm.
—Lori Oliwenstein, TIME, 12 Sep. 2024
Researchers found that the supplement may alter the effectiveness of certain diuretics, calcium channel blockers, and nonsteroidal anti-inflammatory drugs (NSAIDs).
—Chelsea Rae Bourgeois, Rdn, Ld, Health, 11 Jan. 2025
Calcium Channel Blockers Grapefruit may interact with some blood pressure medications—specifically the calcium channel blocker drug class.
—Ross Phan, Pharmd, Bcacp, Bcgp, Bcps, Verywell Health, 1 Nov. 2024
Magnesium can act like a natural calcium channel blocker and potentially affect blood pressure.
—Alex Yampolsky, Verywell Health, 28 Oct. 2024
Cardiologists may also recommend drugs to restore a more normal heartbeat, including beta blockers or calcium channel blockers, which work by lowering the heart’s pumping rate and giving the cardiac muscles a bit of a biological break.
—Lori Oliwenstein, TIME, 12 Sep. 2024
Cite this Entry
“Calcium channel blocker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calcium%20channel%20blocker. Accessed 10 Apr. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share