Dairy
Can cats eat milk?
Most adult cats are lactose intolerant and cow's milk commonly causes digestive upset, so it should not be offered as a regular food or water substitute.
Toxic principle: Lactose intolerance common in adult cats
Watch for
- Diarrhea
- Vomiting
- Upset stomach, typically within 8 to 12 hours of drinking milk
Sources
Reviewed 2026-07-12
Frequently asked questions
Can cats eat milk?
Most adult cats are lactose intolerant and cow's milk commonly causes digestive upset, so it should not be offered as a regular food or water substitute.
Is milk safe for every cat?
Not necessarily. Most adult cats are lactose intolerant and cow's milk commonly causes digestive upset, so it should not be offered as a regular food or water substitute. Ask your veterinarian first if your cat has an existing health condition or you are unsure.
What symptoms should I watch for with milk and cats?
Diarrhea, Vomiting, Upset stomach, typically within 8 to 12 hours of drinking milk. If you notice any of these, contact your veterinarian.
This page is for informational purposes only and is not veterinary advice. Always consult your veterinarian about your pet's diet and health.
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