Mayo Clinic Care Network Content
Definitions

Hyperkalemia


When to make a doctor’s appointment

Make an appointment to see a doctor if:

  • Nausea
  • Fatigue
  • Muscle weakness

Self-care

If taking potassium supplements, ask a doctor for advice.

Description

A high level of a chemical in the blood called potassium, which nerve and muscle cells need to work.

When to seek immediate medical care

See a healthcare professional right away for:

  • Irregular heartbeat.
  • Shortness of breath.
  • Chest pain.

When to make a doctor's appointment

Make an appointment to see a healthcare professional for:

  • Nausea and vomiting.
  • Muscle weakness.