Can my dog eat peanut butter?
A little.
Only plain peanut butter with no xylitol — check the label every time. A teaspoon is fine; xylitol (also called birch sugar) is lethal to dogs.
Thinking of giving it?
How much is fineA teaspoon. Unsalted, unsweetened, and xylitol-free — read the label every time you change brand.
WhyXylitol causes a rapid, dangerous drop in blood sugar and can damage the liver. Otherwise peanut butter is a useful high-value treat, but fatty.
Already ate it?
If they ate itLabel says xylitol, birch sugar or 'sugar-free': go to a vet now, even if they seem fine. Don't make them vomit unless a vet tells you to. Plain peanut butter: nothing to do beyond a possible loose stool.
Watch forAfter xylitol: vomiting, weakness, wobbling, collapse or seizures within 10–60 minutes; liver damage can follow in 12–24 hours.
Where this comes from. ASPCA Animal Poison Control Center — Xylitol.
Reviewed: 20 October 2026
A guide, not a diagnosis. If your dog seems unwell, call your vet.
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