beta-blocker
noun
be·ta-block·er
ˈbā-tə-ˌblä-kər 
: any of a class of drugs (such as propranolol) that decrease the rate and force of heart contractions and lower high blood pressure by blocking the activity of beta-receptors
Examples of beta-blocker in a Sentence
Recent Examples on the Web
Molecules that cling tighter Filling this research gap, a team led by Professor Yuhoon Hwang from Seoul National University of Science and Technology (SeoulTech) studied FCOPs as potential adsorbents for beta-blockers.
—
Neetika Walter, Interesting Engineering, 15 Oct. 2025
These may include beta-blockers, calcium channel antagonists, or Lanoxin (digoxin), a medication used to treat heart failure.
—Mark Gurarie, Health, 12 Oct. 2025
Older beta-blockers and high-dose diuretics may slightly raise LDL cholesterol and lower HDL cholesterol.
—Jennifer Moll, Verywell Health, 24 Sep. 2025
New research has found that beta-blockers — medications commonly prescribed to lower heart rate and blood pressure — did not offer clear benefits for certain heart attack patients.
—Tom Gavin, EverydayHealth.com, 4 Sep. 2025
Why would women be more susceptible to harm from beta-blockers than men?
—Sandee Lamotte, CNN Money, 30 Aug. 2025
Some analysts have said aficamten has the potential to replace metoprolol, which belongs to a class of drugs called beta-blockers, as the first treatment given to patients with the heart condition.
—Bhanvi Satija, Reuters, 30 Aug. 2025
But beta-blockers may be a promising treatment, the research shows.
—Cara Lynn Shultz, People.com, 22 Aug. 2025
Ivabradine could therefore be an effective alternative medication for PoTS patients who do not respond well to beta-blockers.
—Jasmine Laws, MSNBC Newsweek, 5 Aug. 2025
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Neetika Walter, Interesting Engineering, 15 Oct. 2025
These may include beta-blockers, calcium channel antagonists, or Lanoxin (digoxin), a medication used to treat heart failure.
—Mark Gurarie, Health, 12 Oct. 2025
Older beta-blockers and high-dose diuretics may slightly raise LDL cholesterol and lower HDL cholesterol.
—Jennifer Moll, Verywell Health, 24 Sep. 2025
New research has found that beta-blockers — medications commonly prescribed to lower heart rate and blood pressure — did not offer clear benefits for certain heart attack patients.
—Tom Gavin, EverydayHealth.com, 4 Sep. 2025
Why would women be more susceptible to harm from beta-blockers than men?
—Sandee Lamotte, CNN Money, 30 Aug. 2025
Some analysts have said aficamten has the potential to replace metoprolol, which belongs to a class of drugs called beta-blockers, as the first treatment given to patients with the heart condition.
—Bhanvi Satija, Reuters, 30 Aug. 2025
But beta-blockers may be a promising treatment, the research shows.
—Cara Lynn Shultz, People.com, 22 Aug. 2025
Ivabradine could therefore be an effective alternative medication for PoTS patients who do not respond well to beta-blockers.
—Jasmine Laws, MSNBC Newsweek, 5 Aug. 2025
Cite this Entry
“Beta-blocker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/beta-blocker. Accessed 25 Oct. 2025.
Copy CitationMedical Definition
beta-blocker
noun
be·ta-block·er
-ˈbläk-ər
: any of a group of drugs (as propranolol) that combine with and block the activity of a beta-receptor to decrease the heart rate and force of contractions and lower high blood pressure and that are used especially to treat hypertension, angina pectoris, and ventricular and supraventricular arrhythmias compare alpha-blocker
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