Can cats drink milk?
Many cats are lactose-intolerant; cow's, sheep's or goat's milk can cause diarrhea. Cornell advises against milk as a treat (Cornell, iCatCare, ASPCA).
Better choices, for example
Questions
Can dogs drink milk?
Yes, but only a little. Dogs produce little lactase, so milk can cause diarrhea and digestive upset (ASPCA). AKC says dogs can have milk, but tolerance varies.
Sources
- Cornell Feline Health Center – Feeding Your Cat
- International Cat Care – How to encourage your cat to drink
- ASPCA Animal Poison Control – People Foods to Avoid Feeding Your Pets
Last checked: October 2026