Pet Education

Browse our veterinary-reviewed Dog and Cat Illness Guide to learn more about pet health. Always talk to your veterinarian if you have a concern about your pet's symptoms or health.
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Feline Hypokalemia

Hypokalemia is a low amount of potassium in the blood.

Potassium isa vital nutrient in every cell that supports nerves, muscles, digestion, and the heart.

The kidneys get potassium through food andexcrete it through urine. When the amount of potassium gained and lost is equal, the potassium level is normal.


The most common cause is kidney failure. Other causes include:


Mild hypokalemia may not cause any noticeable signs. However, if severe hypokalemia develops, it can have life-threatening effects.

Signsmay include:


Some tests your veterinarian may perform:


Most veterinarians will recommend the following treatments for cats with hypokalemia:


Feed your cat a high quality diet, and give potassium supplements if recommended by your veterinarian.


Potassium supplements are often needed for life.

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