A small amount of plain yogurt may be okay. Many cats are lactose intolerant as adults, so dairy can cause stomach upset, though yogurt's live cultures make it easier to tolerate than milk. Offer only plain, unsweetened yogurt in tiny amounts, and never flavored or sweetened kinds.
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Caution — plain, unsweetened, small amountsAmount, form, or frequency matters
Can cats eat yogurt? 🥛
A small amount of plain yogurt may be okay. Many cats are lactose intolerant as adults, so dairy can cause stomach upset, though yogurt's live cultures make it easier to tolerate than milk. Offer only plain, unsweetened yogurt in tiny amounts, and never flavored or sweetened kinds.
Source-linked record · Last reviewed July 17, 2026 · Not veterinary advice
Why this answer
Adult cats produce little lactase, the enzyme that digests the milk sugar lactose, so dairy often causes diarrhea and gas. Yogurt is somewhat better tolerated because its cultures pre-digest some lactose, but it is still dairy and still fatty. Sweetened and flavored yogurts add sugar and sometimes xylitol, an artificial sweetener dangerous to pets, so only plain unsweetened yogurt in small amounts is appropriate.
Watch for
Diarrhea or loose stool
Gas or bloating
Vomiting
Stomach discomfort
How much is okay
A teaspoon of plain, unsweetened yogurt once in a while, watching for digestive upset; stop if it causes loose stool.
Serve it safely
Choose plain, unsweetened, full- or low-fat yogurt with no added flavors.
Never offer sweetened or 'light' yogurt, which may contain xylitol.
Start with a tiny taste to see how your cat's stomach responds.
Sources and evidence notes (3)
People Foods to Avoid Feeding Your Pets
ASPCA Animal Poison Control Center — Multi-species veterinary toxicology list covering alcohol, chocolate, caffeine, citrus, coconut, grapes and raisins, macadamia nuts, milk and dairy, nuts, onions, garlic and chives, raw meat and eggs, salty snacks, xylitol, and yeast dough.
Feeding Your Cat
Cornell Feline Health Center, Cornell University College of Veterinary Medicine — Feline nutrition fundamentals: cats are obligate carnivores; complete balanced cat food should be the diet base; treats should stay a small share of daily calories.
Paws Off Xylitol; It's Dangerous for Dogs
U.S. Food and Drug Administration — Regulator warning on xylitol in sugar-free gum, candy, and peanut butter; documents severe hypoglycemia and liver injury in dogs, supporting a keep-away rule for all pets.
Answer card
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Remove access. Take the food away and move your cat to another room.
Note the facts. What was it, roughly how much is missing, and when? Keep the packaging.
Call before symptoms. For chocolate, onion, garlic, grapes, raisins, alcohol, or anything sugar-free (xylitol), call a hotline or your veterinarian now — early treatment is easier and cheaper.
Never do this
Do not induce vomiting, feed milk, salt, or oil, or wait overnight to "see how it goes". Signs of chocolate or Allium poisoning can take hours to days to appear.
Go to an emergency vet immediately if
Your cat is collapsing, twitching or seizing, struggling to breathe, drooling heavily, vomiting repeatedly, or wobbly on their feet.
Outside the US? Call your local emergency veterinary clinic — keep the number saved in your phone.
Effective: July 17, 2026
Can Cats Eat It? provides general educational information for cat owners. It is not veterinary, diagnostic, treatment, or emergency advice.
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