How to change cat food gradually

Keep your cat eating while watching appetite and stools.

Cat & Seek editorial · Updated 2026-10-01 · Not veterinarian-reviewed

At a glance

Introduce a new diet gradually in a healthy cat, adjusting to tolerance.

What you can do

Start with a little new food alongside the familiar diet, then increase gradually.
Keep other routines stable and note appetite, stool and vomiting.
Pause increases if signs develop; ask your vet about prescription-diet transitions.

Common mistakes

Do not withhold food to force acceptance or change several supplements together.

When to seek help

Ask a vet about refusal, repeated vomiting or diarrhea, especially in kittens or ill cats.

References

Cats Protection · Feeding your cat

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