Cats with heart failure can live from a few months to a few years, depending on the cat’s condition. If it is discovered early, controlled with medication in a timely manner, and does not cause damage to kidney function, the life will be longer. ; But if it is discovered late and the kidney function has been damaged, then the life time will be shorter.
Tip:
It is basically impossible for cats to recover from heart failure, and the condition can only be maintained through treatment.