Hyperkalemia Topic Guide

Hyperkalemia (High Blood Potassium) Hyperkalemia (High Blood Potassium): Hyperkalemia is high potassium in the blood. Causes of hyperkalemia include diseases of the kidneys or adrenal glands, or some medications. Symptoms including muscle weakness, fatigue, tingling, or nausea may not appear until levels of potassium are extremely high. Treatment depends on the severity of symptoms.

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