Caution
Can dogs have milk and dairy? Caution
Caution. A little milk is okay for some dogs, but many are lactose intolerant and get gas, vomiting or diarrhea from dairy.
Milk and dairy and dogs: key facts
- Verdict
- Caution · Watch at home
- What it can do
- Loose stool, gas, vomiting, belly pain and diarrhea.
- How to serve
- If your dog tolerates it, offer only a small amount of plain milk now and then.
- What to do now
- Watch for gas, vomiting or diarrhea over the next day. All steps
- Sources
- AKC, ASPCA Animal Poison Control. Reviewed 9 October 2026.
What should I do if my dog ate milk and dairy?
- Watch for gas, vomiting or diarrhea over the next day.
- Call your vet if vomiting or diarrhea is severe or doesn't stop.
Don't
- Don't give a full bowl of milk.
How to give it safely
If your dog tolerates it, offer only a small amount of plain milk now and then.
Symptoms to watch for
- Loose stool
- Gas
- Vomiting
- Belly pain
- Diarrhea
Why
Dogs have little lactase, the enzyme needed to digest milk sugar. Milk is also high in fat and sugar, which can add to weight gain and pancreatitis.
Sources
Guide reviewed 9 October 2026. Page updated 7 November 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.