Hypokalemia in Felines
- Deborah Newman
- Oct 20, 2024
- 1 min read

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.
CAUSES:
The most common cause is kidney failure. Other causes include:
Liver disease
Diabetes
Cushing’s Disease
Hyperthyroidism
Persistent vomiting, diarrhea
SIGNS:
Mild hypokalemia may not cause any noticeable signs. However, if severe hypokalemia develops, it can have life-threatening effects.
Signs may include:
Muscle weakness, especially in the neck
Lethargy
Loss of appetite and weight loss
Increased thirst and urination
Dehydration
Non-groomed hair
DIAGNOSIS:
Some tests your veterinarian may perform:
Blood tests: to check for hypokalemia and any underlying diseases
Biochemical profile: a blood test to check for kidney failure & diabetes
Urinalysis: to check for kidney failure
EKG: to check how the heart was affected
TREATMENT:
Most veterinarians will recommend the following treatments for cats with hypokalemia:
Treatment of the underlying cause
Oral or injected potassium supplements
Follow up visits to monitor potassium levels
PREVENTION:
Feed your cat a high quality diet, and give potassium supplements if recommended by your veterinarian.
PROGNOSIS:
Potassium supplements are often needed for life.
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