hydrochlorothiazide

noun

hy·​dro·​chlo·​ro·​thi·​a·​zide ˌhī-drə-ˌklȯr-ə-ˈthī-ə-ˌzīd How to pronounce hydrochlorothiazide (audio)
: a diuretic and antihypertensive drug C7H8ClN3O4S2

Examples of hydrochlorothiazide 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.
Common types include thiazide diuretics (like chlorthalidone or hydrochlorothiazide) and loop diuretics (like torsemide or Lasix). Karen Berger, Verywell Health, 9 Dec. 2025 Bisoprolol fumarate and hydrochlorothiazide tablets made by Glenmark Pharmaceuticals may contain trace amounts of a cholesterol medication. Jenna Anderson, Health, 9 Dec. 2025 Examples of diuretic medication include hydrochlorothiazide or furosemide. Michael Schuh Pharm.d., Anchorage Daily News, 2 Sep. 2023 And it was probably triggered by his hydrochlorothiazide. Lisa Sanders, M.d., New York Times, 6 July 2023 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 Aurobindo Pharma USA is recalling two lots of quinapril and hydrochlorothiazide tablets due to levels of nitrosamine. Natalie Neysa Alund, USA TODAY, 27 Oct. 2022 Accuretic is a combination of two different drugs: quinapril and hydrochlorothiazide. Sophie Mellor, Fortune, 23 Mar. 2022

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

Browse Nearby Words

Cite this Entry

“Hydrochlorothiazide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrochlorothiazide. Accessed 19 Dec. 2025.

Medical Definition

hydrochlorothiazide

noun
hy·​dro·​chlo·​ro·​thi·​a·​zide -ˌklōr-ə-ˈthī-ə-ˌzīd, -ˌklȯr- How to pronounce hydrochlorothiazide (audio)
: 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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