Companion Animal Welfare

Cat Hypertension Recognition and Treatment

Systemic hypertension is common in older cats and causes severe end-organ damage including blindness if not detected and treated.

Key Facts

Hypertension is present in approximately 20% of cats over 15 years
Sudden blindness from retinal detachment is often the presenting sign
Most feline hypertension is secondary to CKD or hyperthyroidism
Amlodipine is highly effective at controlling blood pressure in cats
Target blood pressure below 160 mmHg is recommended to prevent organ damage

Welfare Considerations

Hypertension in cats causes progressive damage to kidneys, brain, heart, and eyes, frequently causing sudden and permanent blindness. The suffering caused by hypertensive organ damage is significant and largely preventable through routine blood pressure monitoring in senior cats and prompt treatment of detected hypertension. Regular senior health checks are the key preventive measure.

What You Can Do

Ensure blood pressure is measured at senior cat health checks
Treat underlying conditions causing hypertension promptly
Learn to recognise signs of acute hypertensive crisis including sudden blindness