| Verdict for dogs | Caution |
| Severity | 2 / 5 — Mild — usually stomach upset; watch them. |
| Safe amount | A taste at most |
| Category | Dairy |
| Source | ASPCA Animal Poison Control — People Foods to Avoid Feeding Your Pets; VCA Animal Hospitals — pet health library · reviewed 2026-08-07 · confidence: high |
Plain unsweetened yogurt is tolerated by some dogs better than milk, but plenty still get loose stools from the lactose. The real hazard is flavored yogurt: check the label for xylitol, and skip anything chocolate- or raisin-containing.
Don't make it a habit. Watch for vomiting, diarrhea or a lost appetite over the next day and call your vet if it doesn't settle or your dog seems unwell.
Never induce vomiting and never give any medicine unless a vet tells you to — it can do more damage than the poison. What we will and won't tell you.
If you're sharing food because you want to treat them, a treat formulated for dogs does the job without the guesswork.
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Can cats eat yogurt? — Feed with caution to cats.
Not toxic, but be careful — yogurt isn't poisonous to dogs, and it comes with caveats that matter. Plain unsweetened yogurt is tolerated by some dogs better than milk, but plenty still get loose stools from the lactose. The real hazard is flavored yogurt: check the label for xylitol, and skip anything chocolate- or raisin-containing.
Watch for: Vomiting; Diarrhea or loose stools; Loss of appetite; Belly discomfort or unusual tiredness. Some signs lag by a day — call, don't wait.
The safe amount is a taste at most, as an occasional treat rather than a daily habit. Large amounts mainly cause stomach upset; if that doesn't settle within a day, call your vet.