Seek emergency care immediately if you have chest pain, palpitations, weakness, fainting, or trouble breathing
Stop taking potassium supplements and salt substitutes containing potassium
Avoid high-potassium foods and drinks
Follow your prescribed low-potassium diet
Take only medications prescribed to lower potassium
If instructed by a clinician, use a potassium-binding medication
If severe, go to the emergency department for treatment such as calcium, insulin with glucose, albuterol, bicarbonate, diuretics, or dialysis
Drink water only if your clinician has not restricted fluids
Do not use over-the-counter supplements or herbal products without medical advice
Contact your doctor urgently for same-day guidance and repeat blood testing