| hydralazine | <chemical> A peripheral vasodilator used as an antihypertensive agent. Pharmacological action: antihypertensive agents, vasodilator agents. Chemical name: 1(2H)-Phthalazinone, hydrazone (12 Dec 1998) |
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| hydralazine hydrochloride | 1-Hydrazinophthalazine hydrochloride;a vasodilating antihypertensive agent. (05 Mar 2000) |
| hydralazine syndrome | <syndrome> A syndrome simulating systemic lupus erythematosus, occurring during protracted therapy of hypertension with hydralazine. (05 Mar 2000) |