Can pets eat milk? 🥛
Here’s whether milk is safe for each kind of pet, based on established veterinary guidance.
Can dogs eat milk?
CautionMilk can upset dogs and is not needed in their diet.
Risk: Many dogs are lactose intolerant, so milk can cause diarrhoea and tummy upset.
Full guidance: can dogs eat milk? →Can cats eat milk?
CautionDespite the image, milk often upsets cats.
Risk: Most adult cats are lactose intolerant; milk commonly causes stomach upset and diarrhoea.
Full guidance: can cats eat milk? →Can rabbits eat milk?
UnsafeNever give milk to rabbits.
Risk: Rabbits cannot digest dairy and it can cause dangerous digestive problems.
Full guidance: can rabbits eat milk? →Can guinea pigs eat milk?
UnsafeMilk is not suitable for guinea pigs.
Risk: Herbivores cannot digest dairy; it can cause serious upset.
Full guidance: can guinea pigs eat milk? →Can hamsters eat milk?
CautionPlain water is best; milk can upset hamsters.
Risk: Can cause digestive upset; only fresh water is needed for drinking.
Full guidance: can hamsters eat milk? →Worried your pet has eaten too much?
Contact your vet straight away, or call the Animal PoisonLine on 01202 509000 (24/7, UK). This page is general guidance based on veterinary sources and isn’t a substitute for professional advice — amount, preparation and your pet’s health all matter.
Related foods
Sources
Our guidance on whether pets can eat milk draws on established UK and US veterinary and welfare organisations. Individual pets, quantities and preparation vary — always confirm with your own vet.