Skip to content
My WebMD Sign In, Sign Up
hydralazine

Interactions

Hydralazine/Food Interaction

This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug, changing your diet or commencing any course of treatment.

Medical warning:

Very important. A change in your diet, medicine, or dosage may be necessary. Promptly consult your doctor or pharmacist.

How the interaction occurs:

The cause of the interaction is not known.

What might happen:

Your blood levels of hydralazine may decrease. Also, the beneficial blood pressure lowering effect may decrease.

What you should do about this interaction:

Always take this medicine with meals or always take it on an empty stomach (one hour before or two hours after food). Tell your healthcare professional (e.g., doctor or pharmacist) immediately if you develop headaches. Contact your healthcare professional for more information.Your healthcare professionals may be aware of this interaction and may be monitoring you for it. Do not start, stop, or change your medicine or diet before checking with them first.

References:

1.Melander A, Danielson K, Hanson A, Rudell B, Schersten B, Thulin T, Wahlin E. Enhancement of hydralazine bioavailability by food. Clin Pharmacol Ther 1977 Jul;22(1):104-7.

2.Shepherd AM, Irvine NA, Ludden TM. Effect of food on blood hydralazine levels and response in hypertension. Clin Pharmacol Ther 1984 Jul; 36(1):14-8.

Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, expect as may be authorized by the applicable terms of use.

CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.

More about Drugs and Medications

Newsletters

Subscribe to free WebMD newsletters.

  • WebMD Daily

    WebMD Daily

    Subscribe to the WebMD Daily, and you'll get today's top health news and trending topics, and the latest and best information from WebMD.

  • Men's Health

    Men's Health

    Subscribe to the Men's Health newsletter for the latest on disease prevention, fitness, sex, nutrition, and more from WebMD.

  • Women's Health

    Women's Health

    Subscribe to the Women's Health newsletter for the latest on disease prevention, fitness, sex, diet, anti-aging, and more from WebMD.

By clicking Submit, I agree to the WebMD Terms & Conditions & Privacy Policy

URAC: Accredited Health Web Site HONcode Seal AdChoices