Food

Grape (Never Give to Pets)

ブドウ (budou)

Definition

A fruit linked to reports of acute kidney injury in dogs after ingestion. The compound responsible has not been identified and no amount is considered safe, so grapes and raisins are avoided regardless of quantity.

Key points

  • Grapes and raisins are linked to reports of acute kidney injury in dogs after ingestion
  • The compound responsible has not been identified, and no amount is considered safe
  • Signs such as vomiting and lethargy are reported to sometimes appear a day or more after ingestion rather than right away
  • Fewer cases have been reported in cats than in dogs, but the same avoidance is generally recommended

What is grape, and why does it matter for pets?

Grape is one of the clearest examples of a food that is entirely ordinary for people and a serious concern for dogs. Fresh grapes, raisins and currants have all been linked to reports of acute kidney injury in dogs after ingestion, and this sits alongside chocolate and onion as one of the foods owners are most often warned about.

Never give it, in any form

The compound responsible for the reported kidney injury has not been identified, which is part of what makes grape difficult to reason about. Because the cause is unknown, no amount has been established as clearly safe, and sensitivity is thought to vary between individual dogs regardless of size or breed. A single grape, a handful of raisins, or grape juice are all generally treated the same way: as a reason to contact a veterinarian rather than wait and see.

Do not try to induce vomiting at home without veterinary guidance. If a dog may have eaten grapes or raisins in any form, call a veterinary clinic and be ready to say roughly how much was eaten and when.

Signs can take a day or more to show

Unlike some toxic foods that cause an immediate reaction, signs linked to grape ingestion, such as vomiting, lethargy and reduced appetite, are reported to sometimes appear a day or more later rather than right away. Looking fine in the hours after eating a grape is not considered a reliable sign that everything is fine, which is part of why this food catches owners off guard.

Where it hides

  • Fresh grapes and currants
  • Raisins, and anything baked or mixed with them: raisin bread, cereal, granola bars, trail mix
  • Grape juice and snacks made from dried grapes
  • Fruit baskets and gift boxes, which tend to appear more often around holidays and when guests visit

The safest approach is to keep grapes and raisins out of reach entirely rather than assuming a small taste is harmless.

This entry shares general knowledge and is not veterinary advice. It is not intended to diagnose, treat or prevent any condition. If you have concerns about your dog or cat, please consult your veterinarian.

FAQFrequently asked questions

Can dogs eat grapes? Is one grape safe?

No amount is considered safe. The compound responsible for the reported kidney injury has not been identified, and sensitivity is thought to vary between individual dogs, so even a single grape is generally treated as a reason to call a veterinarian rather than wait and see.

Are raisins as dangerous as fresh grapes?

Raisins are grapes with the water removed, so the same compound is present in a more concentrated form. Raisin bread, cereal and trail mix are treated with the same caution as fresh grapes.

Can cats eat grapes too?

Fewer cases have been reported in cats than in dogs, but safety has not been established. The same avoidance is generally recommended for cats.

My dog ate a grape off the floor and seems fine. Is it out of danger?

Signs are reported to sometimes appear a day or more after ingestion rather than right away, so looking fine at first is not considered a reliable sign of safety. Contacting a veterinarian as soon as ingestion is suspected is the safer choice.

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