Too Much Potassium (Hyperkalemia): Symptoms, Complaints, Signs

The following symptoms and complaints may indicate hyperkalemia (excess potassium):

• Common complaints that may occur with hyperkalemia are:
  • General malaise
  • Fatigue
  • Disinclination
  • Weakness
  • Confusion
  • Diarrhea
• Neuromuscular symptoms:
  • Paresthesias (sensory disturbances; in this case: Tingling in extremities, furry sensation of the tongue).
  • Muscular weakness (muscle weakness).
  • Paralysis symptoms
• Cardiac symptoms:
  • Bradycardia (heartbeat too slow: < 60 beats per minute).
  • Cardiac arrhythmias (up to ventricular fibrillation and cardiac arrest).
• Metabolic symptoms:
  • Metabolic acidosis (metabolic acidosis).

Note: Mild hyperkalemia often remains asymptomatic.