noun Etymology: hydr- + phthalic (acid) + azine Date: 1952 a vasodilator C8H8N4 used in the form of its hydrochloride to treat hypertension

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Hydralazine — drugbox IUPAC name = 1 hydrazinophthalazine CAS number = 86 54 4 ATC prefix = C02 ATC suffix = DB02 PubChem = 3637 DrugBank = C=8 | H=8 | N=4 molecular weight = 160.176 g/mol bioavailability = protein bound = metabolism = Hepatic elimination half …   Wikipedia

  • hydralazine — /huy dral euh zeen /, n. Pharm. a white crystalline powder, C8H8N4, that dilates blood vessels and is used in the treatment of hypertension. [1950 55; HYDR 2 + (PHTH)AL(IC) + AZINE] * * * …   Universalium

  • hydralazine — noun A direct acting smooth muscle relaxant used to treat hypertension by acting as a vasodilator primarily in arteries and arterioles …   Wiktionary

  • hydralazine — hy·dral·azine hī dral ə .zēn n an antihypertensive drug that is used in the form of its hydrochloride C8H8N4·HCl and produces peripheral arteriolar dilation by relaxing vascular smooth muscle * * * n. a vasodilator drug used, usually in… …   Medical dictionary

  • hydralazine — n. chemical substance used as a medication for treating high blood pressure …   English contemporary dictionary

  • hydralazine — hy·dral·a·zine …   English syllables

  • hydralazine — n. a vasodilator drug used, usually in conjunction with diuretics, to treat hypertension. It is given by mouth or by injection; side effects, including rapid heart rate, headache, faintness, and digestive upsets, can occur, especially at high… …   The new mediacal dictionary

  • hydralazine — noun an antihypertensive drug (trade name Apresoline) that dilates blood vessels; used (often with a diuretic) to treat hypertension and congestive heart failure • Syn: ↑Apresoline • Hypernyms: ↑antihypertensive, ↑antihypertensive drug,… …   Useful english dictionary

  • hydralazine hydrochloride — A vasodilating antihypertensive agent. * * * [USP] the monohydrochloride salt of hydralazine, used as an antihypertensive; administered orally, intramuscularly, or intravenously. It is also used in combination with nitrates, diuretics, or… …   Medical dictionary

  • Isosorbide dinitrate/hydralazine — is a fixed dose combination drug treatment specifically indicated for black people with congestive heart failure. It is a combination of hydralazine (an antihypertensive) and isosorbide dinitrate (a vasodilator). It is the first race based… …   Wikipedia

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