Fast Five Quiz: Hyperkalemia Signs and Symptoms

A. Brent Alper, Jr, MD, MPH


December 07, 2021

The two most common complaints in patients with hyperkalemia are weakness and fatigue. In most cases, the muscle weakness associated with hyperkalemia is ascending, beginning at the legs and progressing to the trunk, sometimes resembling Guillain-Barré syndrome. Occasionally, patients may present with dyspnea, palpitations, chest pain, and nausea or vomiting. Less frequently, and in more acute cases, bradycardia and muscle tenderness and weakness, suggesting rhabdomyolysis, are present.

Learn more about the signs and symptoms of hyperkalemia.


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