Available as oral tablets or in an injectable form.May be given in combination with isosorbide dinitrate to treat heart failure in self-identified black patients in addition to standard therapies to improve survival, decrease hospitalization rates, and improve patient well-being.May be used for the treatment of high blood pressure (BP), either alone or in combination with other agents.Hydralazine belongs to the class of medicines known as vasodilators.Experts aren't sure exactly how hydralazine does this but suggest it may alter calcium movements through muscle which affects how much the muscle contracts.This reduces how much force the heart has to exert to pump blood through the blood vessels, and reduces blood pressure. Hydralazine is a vasodilator - this means it relaxes smooth muscle inside blood vessels, making the blood vessels wider, and allowing more blood to flow through.Medically reviewed by Carmen Pope, BPharm.
