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What are the risks of taking potassium supplements?

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If you take potassium supplements, the risks include:

  • Side effects including muscle weakness or paralysis, heart rhythm problems, and allergies to potassium supplements.
  • People with kidney disease, diabetes, heart disease, Addison's disease, stomach ulcers, or other health problems should never take potassium supplements without talking to a doctor first.
  • Overdose. Signs of a potassium overdose include muscle weakness or paralysis, irregular heartbeat, confusion, tingling sensation in the limbs, low blood pressure, and coma. Get emergency medical help immediately.

From: Potassium WebMD Medical Reference

SOURCES: Longe, J., ed. , second edition, 2004. National Institute of Health Medline Plus: "Potassium." United States Department of Agriculture: "Dietary Reference Intakes: Electrolytes and Water." FDA, CFSAN: "FDA-approved potassium health claim notification for potassium containing foods."



The Gale Encyclopedia of Alternative Medicine

Natural Medicines Comprehensive Database: "Potassium."

Reviewed by Melinda Ratini on September 08, 2019

SOURCES: Longe, J., ed. , second edition, 2004. National Institute of Health Medline Plus: "Potassium." United States Department of Agriculture: "Dietary Reference Intakes: Electrolytes and Water." FDA, CFSAN: "FDA-approved potassium health claim notification for potassium containing foods."



The Gale Encyclopedia of Alternative Medicine

Natural Medicines Comprehensive Database: "Potassium."

Reviewed by Melinda Ratini on September 08, 2019

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