What should I know before taking a direct vasodilator?

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Dr. Darria Long Gillespie, MD
Emergency Medicine
If you have known or suspected coronary artery disease, hydralazine may not be a good option for you. If you have recently had a heart attack, minoxidil may not be a good option for you.

If you have had a stroke or a transient ischemic attack (TIA), hydralazine may not be a good option for you.

If you have chronic heart failure or pulmonary hypertension, minoxidil may not be a good option for you.

If you have mitral valve rheumatic heart disease, you should not take hydralazine.

If you have pheochromocytoma, you should not take minoxidil.

Hydralazine and minoxidil may not be good options for you if you are or may be pregnant or are planning pregnancy. It is not known if they are safe for pregnant women.

You should not take minoxidil if you are breastfeeding. Hydralazine may not be a good option for you. It is not known if this drug can be passed into breast milk.

This answer was adapted from Sharecare's award-winning AskMD app. Start a consultation now to find out what's causing your symptoms, learn how to manage a condition, or find a doctor.