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Dairy

Can cats eat cat milk?

OK to give

Lactose-free cat milk is fine as a treat — count its calories.

Follow the label serving.

Why

The lactose is pre-digested, so it doesn't cause diarrhea like cow's milk. It has calories, so keep it within the 10% treat budget; it doesn't replace water.

If your cat has a condition

  • Kidney disease OK to give No specific data — follow the overall verdict.
  • Diabetes OK to give No specific data — follow the overall verdict.
  • Heart disease (HCM) OK to give No specific data — follow the overall verdict.
  • Urinary stones OK to give No specific stone concern known — water intake matters more.
SourcesReviewed 2026-10-24