What Are the Symptoms of Potassium Deficiency?

Symptoms of potassium deficiency, also known as hypokalemia, include numbness or tingling, muscle damage and weakness, fatigue, heart palpitations, and constipation, according to MedlinePlus. The heartbeat may become abnormal, and extremely low potassium leads to slowing of the heartbeat. If potassium levels get low enough, the heart stops entirely.

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