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High Blood Pressure

Salt substitute with Atenolol and Felodipine

06/25/2007

Question:

My husband was recently told to cut out salt. Can we use a salt substitute with Atenolol ( 50 mg per day) and Felodipine ( 10 mg 2 times per day)??

Answer:

Many salt substitutes contain potassium.  Atenolol is a beta blocker and can raise blood potassium levels.  In people with normal kidney function, the increase in usually small.

Many experts recommend to measure a blood potassium level a few weeks after starting a beta blocker, especially when one increases the potassium in the diet.  If high potassium levels occur, they often respond to the addition of a diuretic.

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Response by:

Max C Reif, MD Max C Reif, MD
Professor of Medicine
Director of Hypertension Section
College of Medicine
University of Cincinnati