Help! My Cat Loves Milk! (Vet Answered)
This question has been answered by a vet
Veterinarian & Animal Behaviorist
With nearly two decades in veterinary medicine, Dr. Paola brings hands-on experience across multiple species. A graduate of the University of Guadalajara, she specializes in preventive care, animal welfare, and positive reinforcement training.
The Question
“Dear Dr. Paola,
I have a male cat called Sasja, 2½ years old. He likes milk very much. Is giving cats milk, even in small quantities, always harmful to cats?” – Christian
Quick Info about Sasja
📹 Vet's Video Reply (scroll down to see text answer)
Dear Christian,
It’s lovely to hear about Sasja’s fondness for milk, but unfortunately, milk isn’t the best choice for most adult cats. While kittens produce enough lactase—the enzyme needed to break down lactose in milk—this ability often declines as they grow. Many adult cats struggle to digest dairy properly, like humans with lactose intolerance. Even small amounts can lead to digestive upset, causing loose stools, gas, or stomach discomfort.
If Sasja enjoys the taste of milk, you might consider lactose-free cat milk, which is specifically formulated to be safe for feline digestion. Alternatively, if he simply enjoys the routine of a special treat, you can offer small amounts of water-diluted goat milk or a cat-friendly broth instead. This way, he can still have a comforting treat without the potential tummy troubles.
Kind regards and best wishes,
Dr. Paola