Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs HyperkalemiaUpdated: 2018-05-24Self-careIf taking potassium supplements, ask a doctor for advice. When to seek immediate medical careSee a doctor immediately if: Abnormal heart rhythm Paralysis When to make a doctor's appointmentMake an appointment to see a doctor if: Nausea Fatigue Muscle weakness © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use