hy·​dro·​chlo·​ro·​thi·​a·​zide | \ ˌhī-drə-ˌklȯr-ə-ˈthī-ə-ˌzīd \

Definition of hydrochlorothiazide

: a diuretic and antihypertensive drug C7H8ClN3O4S2

Examples of hydrochlorothiazide in a Sentence

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The substance involved was a diuretic, hydrochlorothiazide, which can be used as a masking agent. Afp, chicagotribune.com, "Cagliari mid Joao Pedro tests positive in two doping tests," 9 Mar. 2018 Fred has been in trouble in the past, and was banned from football for one year having tested positive for diuretic hydrochlorothiazide in the Copa America in 2015. SI.com, "Bitter Premier League Rivals Set to Battle it Out for £30m Rated Shakhtar Star Fred This January," 7 Jan. 2018 Despite this, her doctor diagnosed her with mild high blood pressure and put her on a diuretic called hydrochlorothiazide. Teresa Graedon, The Seattle Times, "Getting to the bottom of her postpartum pain," 11 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hydrochlorothiazide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hydrochlorothiazide

1958, in the meaning defined above

History and Etymology for hydrochlorothiazide

hydr- + chlor- + thiazine + -ide

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The first known use of hydrochlorothiazide was in 1958

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hy·​dro·​chlo·​ro·​thi·​a·​zide | \ -ˌklōr-ə-ˈthī-ə-ˌzīd, -ˌklȯr- \

Medical Definition of hydrochlorothiazide

: 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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