| Verdict for dogs | Generally safe |
| Severity | 1 / 5 — Low risk — fine in moderation for a healthy pet. |
| Safe amount | Small amounts |
| Category | Fruit |
| Source | VCA Animal Hospitals — pet health library · reviewed 2026-08-07 · confidence: high |
One of the better dog treats: small, low in sugar, high in antioxidants, and the right size to use as a training reward. Frozen ones work in summer. Not related to grapes despite both being small round fruit — blueberries have no known toxicity.
Serve it plain, in small pieces, as an occasional treat. Keep all treats to under about a tenth of daily calories, and introduce anything new in a small amount so you can spot a sensitive stomach.
Never induce vomiting and never give any medicine unless a vet tells you to. With some substances it causes more damage than the poison. This page tells you when to get help — it never tells you how to treat at home.
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 blueberries? — Feed with caution to cats.
Yes — blueberries are generally safe for dogs in moderation, plain and in small pieces. One of the better dog treats: small, low in sugar, high in antioxidants, and the right size to use as a training reward. Frozen ones work in summer. Not related to grapes despite both being small round fruit — blueberries have no known toxicity.
Usually nothing — in moderation this is a safe treat. If they had a large amount, watch for: Most pets are fine after a small amount; Vomiting, loose stools or a skipped meal if they had a lot; Any new food can upset a sensitive stomach — introduce it in a small amount. Signs can take hours or, for some poisons, a day or more to appear, so call your vet rather than waiting to see.
The safe amount is small amounts, 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.