hydrochlorothiazide

noun

: a diuretic and antihypertensive drug C7H8ClN3O4S2

Examples of hydrochlorothiazide in a Sentence

Recent Examples on the Web
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Diuretics like chlorthalidone or hydrochlorothiazide can deplete the body of potassium, magnesium and even sodium. Joe Graedon, M.s., and Teresa Graedon, Ph.d., oregonlive, 6 Mar. 2023 Common types include thiazide diuretics (like chlorthalidone or hydrochlorothiazide) and loop diuretics (like torsemide or Lasix). Karen Berger, Verywell Health, 9 Dec. 2025 Examples of diuretic medication include hydrochlorothiazide or furosemide. Michael Schuh Pharm.d., Anchorage Daily News, 2 Sep. 2023 Bisoprolol fumarate and hydrochlorothiazide tablets made by Glenmark Pharmaceuticals may contain trace amounts of a cholesterol medication. Jenna Anderson, Health, 9 Dec. 2025

Word History

Etymology

hydr- + chlor- + thiazine + -ide

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of hydrochlorothiazide was in 1958

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Cite this Entry

“Hydrochlorothiazide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrochlorothiazide. Accessed 8 Jul. 2026.

Medical Definition

hydrochlorothiazide

noun
: a diuretic and antihypertensive drug C7H8ClN3O4S2
abbreviation HCTZ

Note: Trademarks for preparations containing hydrochlorothiazide include Benicar HCT, Dyazide, Hyzaar, Maxzide, and Tribenzor.

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