The lactose problem
Kittens digest milk, but most adult cats are lactose intolerant — they stop making the enzyme that breaks down lactose. Cheese (and milk) can then cause gas, diarrhea, and stomach upset. The "cat with a saucer of milk" image is actually bad advice.
If you do share a crumb
- Keep it to a tiny piece, rarely.
- Hard cheeses (a little cheddar) are lower in lactose than soft cheeses.
- Avoid cheese with onion, garlic, chives, or herbs (toxic or irritating to cats).
- Watch for any upset over the next day; if it happens, don't repeat.
Cheese is sometimes handy for hiding a pill — fine occasionally, but a vet-made pill pocket or a dab of cat-safe paste is better.
⚠️ Cheese is high in fat and salt and offers little to an obligate carnivore. Cats with kidney, heart, or weight issues should skip it — check with your vet.
Frequently asked questions
Can cats drink milk?
Best avoided — most adult cats can't digest the lactose, so milk often causes diarrhea. Water is what cats need.
Is cream cheese okay for cats?
Only a tiny lick; it's high in fat and lactose. Plain is essential — flavored cream cheese may contain onion or garlic.
More: eggs · full cat food checker.