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Which foods and drugs interact with blood pressure medications?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)

The following information lists the most common and easily avoided sources of adverse drug reactions concerning blood pressure medications. Keep this list handy and review it whenever you bring home a new prescription for a blood pressure medication - even after your doctor and pharmacist have vetted it with you.

  • ACE inhibitors such as lisinopril interact with specific classes of diuretics such as spironolactone - so called potassium sparing diuretics. May increase potassium levels dramatically, which can cause irregular heartbeats or death.
  • ACE inhibitors interact with potassium. May increase levels of potassium.
  • Some calcium channel blockers interact with grapefruit juice. May increase absorption of calcium channel drug, and thus increases the effect and may cause rapid drop in blood pressure.
YOU: The Smart Patient: An Insider's Handbook for Getting the Best Treatment

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YOU: The Smart Patient: An Insider's Handbook for Getting the Best Treatment

Everyone needs to become a smart patient. In fact, in the worst cases, your life may even depend on it. Number one bestselling authors and doctors Michael Roizen and Mehmet Oz have written this...

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.