🥚 Dairy & Eggs
Can pets eat Milk?
Many adult pets are lactose-intolerant.
- For dogs
- Caution
- For cats
- Caution
- Category
- Dairy & Eggs
Milk is safe only with care, small amounts and the right preparation for both dogs and cats.
What Pet Owners Should Know About Milk
Milk falls under the dairy & eggs category in our pet food safety database. For dogs, milk is rated as requires caution, with a recommended portion of very small amounts occasionally. For cats, the same food is rated requires caution, with a suggested portion of very small amounts. Ratings in our database are anchored to veterinary toxicology references, ASPCA Animal Poison Control guidance, and peer-reviewed nutrition research, not anecdotal reports, so pet owners can make decisions based on the same evidence a vet would cite in clinic.
Dog- and cat-specific reactions to the same food can differ significantly because of metabolic differences between the two species. When properly prepared, milk offers dogs measurable benefits, including calcium and protein. Cats can similarly benefit from calcium. Known risks for dogs include lactose intolerance common and can cause diarrhea and gas, which is why portion and preparation instructions matter more than the food itself. For cats, watch for most adult cats are lactose intolerant and classic myth that cats should drink milk. When a pet food is rated caution or unsafe, the rating typically reflects either a compound that is marginally tolerated in small amounts, a preparation step (cooking, removing pits, peeling) that transforms risk, or a quantity threshold above which gastrointestinal distress or organ stress becomes likely.
This page links out to species-specific full guides for milk covering warning signs, emergency steps, and cross-reference data. Dogs exhibiting symptoms such as diarrhea, vomiting, gas after exposure should be seen by a vet immediately. For cats, the symptoms to watch for are diarrhea, vomiting. If your pet has consumed a large amount of any food rated caution or worse, the ASPCA Animal Poison Control hotline at 888-426-4435 operates 24/7. Use the dog and cat cards below to move from this overview into the detailed safety, portion, preparation, and risk data for your specific pet.
For Dogs
CautionMost adult dogs are lactose intolerant; a lap or two won't hurt; more causes GI upset
Full dog guide →For Cats
CautionMost adult cats are lactose intolerant; a saucer of milk is not the treat movies portray
Full cat guide →Milk for dogs vs cats, at a glance
| 🐕 Dogs | 🐈 Cats | |
|---|---|---|
| Safety level | Caution | Caution |
| Portion | Very small amounts occasionally | Very small amounts |
| Preparation | Plain whole milk | Plain milk |
| Key risk to watch | Lactose intolerance common | Most adult cats are lactose intolerant |
Per-species safety ratings for milk from PlainPetFood's veterinary-toxicology data. Open the species guides below for full warning signs and emergency steps.
🐕 Milk for dogs
- ✓Calcium
- ✓Protein
- ⚠Lactose intolerance common
- ⚠Can cause diarrhea and gas
🐈 Milk for cats
- ✓Calcium
- ⚠Most adult cats are lactose intolerant
- ⚠Classic myth that cats should drink milk
Frequently asked questions
Can dogs eat milk?
Milk is rated caution for dogs. Only offer small amounts with the right preparation (very small amounts occasionally). Key risk: lactose intolerance common.
Can cats eat milk?
Milk is rated caution for cats. Only offer small amounts with the right preparation (very small amounts). Key risk: most adult cats are lactose intolerant.
More dairy & eggs - safe for dogs & cats?
See the full dairy & eggs safety list for dogs and cats.
Read our methodology - how this data is sourced, computed, and verified.
Source: ASPCA Animal Poison Control Center + FDA + AAFCO Pet food safety classification (toxicity + FDA enforcement) · April 2026 Safety data combines ASPCA toxicity classifications, FDA pet food enforcement reports, and AAFCO ingredient compliance status.
Every figure on PlainPetFood is rendered directly from federal and industry source data, no number is typed in by an editor. This page draws directly on federal and industry source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.