hydralazine
noun
hy·dral·azine
hī-ˈdra-lə-ˌzēn 
: a vasodilator C8H8N4 used in the form of its hydrochloride to treat hypertension
Examples of hydralazine in a Sentence
Recent Examples on the Web
To test this discovery, the team treated human glioblastoma cells with hydralazine in the lab.
—
Khloe Quill, FOXNews.com, 17 Nov. 2025
What are your thoughts regarding the hydralazine?
—Dr. Keith Roach, oregonlive, 1 July 2022
The primary recommended drugs – considered safe for pregnant and recently delivered moms – are both delivered by IV: labetalol and hydralazine.
—Cara Kelly, USA TODAY, 27 July 2018
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.
Khloe Quill, FOXNews.com, 17 Nov. 2025
What are your thoughts regarding the hydralazine?
—Dr. Keith Roach, oregonlive, 1 July 2022
The primary recommended drugs – considered safe for pregnant and recently delivered moms – are both delivered by IV: labetalol and hydralazine.
—Cara Kelly, USA TODAY, 27 July 2018
Cite this Entry
“Hydralazine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydralazine. Accessed 1 Dec. 2025.
Copy CitationMedical Definition
hydralazine
noun
hy·dral·azine
hī-ˈdral-ə-ˌzēn
: an antihypertensive drug that is used in the form of its hydrochloride C8H8N4·HCl and produces peripheral arteriolar dilation by relaxing vascular smooth muscle
Love words? Need even more definitions?
Merriam-Webster unabridged
Share