hydralazine (Apresoline)

December 05, 2014 − by Contributor − in Archived − Comments Off on hydralazine (Apresoline)

hydralazine (Apresoline)


Pharmacy Author:

Medical and Pharmacy Editor:

GENERIC NAME: hydralazine

BRAND NAME: Apresoline

DRUG CLASS AND MECHANISM: Hydralazine (Apresoline) is an antihypertensive
medication used to treat high blood pressure. It is a peripheral arterial
vasodilator and causes relaxation of blood vessels which carry blood away from
the heart and towards the organs and tissues. The exact mechanism of how hydralazine causes arterial smooth muscle relaxation is not yet understood.
Hydrazine affects calcium movement within blood vessels. Calcium is required for
muscle contraction and therefore disturbances in calcium movement may cause
smooth muscle relaxation in the blood vessels. Hydralazine is selective for
arterioles (small arteries), and the overall effects of treatment include a
decrease in arterial blood pressure, and peripheral vascular resistance.

In addition to treating high blood pressure, hydralazine has shown to be
beneficial for the treatment of congestive heart failure (CHF). Although
ACE
inhibitors
are preferred for the treatment of CHF, hydralazine in combination
with
isosorbide dinitrate
(Isordil, Isordil Titradose, Dilatrate-SR) is an alternative for patients who cannot tolerate ACE
inhibitors.

Medically Reviewed by a Doctor on 12/3/2014

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