While not inherently toxic, many dogs are lactose intolerant and can experience gastrointestinal upset from consuming milk. Small amounts are generally safe, but larger quantities can cause digestive issues.
How It Affects dogs
Lactase deficiency in the small intestine leads to undigested lactose fermenting in the colon, causing osmotic diarrhea and gas.
Toxic Compound
Lactose
Disclaimer: This information is for educational purposes only. Always consult your veterinarian before making changes to your pet's diet.