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This medication contains 2 drugs (hydralazine and isosorbide dinitrate) and is used with other medications to treat heart failure. Both drugs are known as vasodilators. They work by relaxing and widening blood vessels so blood can flow more easily to the heart.
Take this medication by mouth as directed by your doctor, usually 3 times daily.
The dosage is based on your medical condition and response to treatment. Your doctor may start you at a low dose and gradually increase your dose. Follow your doctor's instructions carefully.
Use this medication regularly to get the most benefit from it. To help you remember, take it at the same times each day.
Do not stop taking this medication without consulting your doctor. Some conditions may become worse when the drug is suddenly stopped. Your dose may need to be gradually decreased.
Tell your doctor if your condition worsens.
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