Let's get this straight. No, dogs must definitely not eat grapes! Even small amounts of grapes and raisins can be fatal to dogs!

It doesn't matter whether the grapes come from your own garden, are seedless, red, or green, or whether they were grown organically – simply put, all types of grapes are toxic to dogs, and can even be fatal. The same applies, by the way, to all foods that contain grapes or raisins. Raisins are even more toxic than grapes in the same quantity.  In dried form, the fruit contains less water and more toxic content.

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Why are grapes toxic to dogs?

Unfortunately, there is no single opinion on this.

There is also no consensus on how grapes affect the dog's body. However, it has been observed that grapes can cause acute kidney failure. It is safer to keep grapes and raisins out of your dog's diet.

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At what quantity do grapes become toxic to dogs?

There is no safe amount, as even small quantities can cause serious health problems, such as kidney failure, in some dogs. As a guideline, however, even 10 grapes can be toxic for a 5 kg dog.

However, grape poisoning varies from dog to dog.

If your dog accidentally eats 1–2 grapes, nothing serious should happen in most cases.

Read also:

Can dogs eat cherries?
Can dogs eat bananas?

How to recognize grape poisoning!

The insidious thing about grape poisoning is that the symptoms occur in three phases. If dogs eat grapes, action is definitely required in the following symptoms:

Phase 1: The critical first 24 hours!

Vomiting is the most common and first sign of grape poisoning.

The symptom occurs within the first 24 hours. The dog's body tries to avoid more severe poisoning by excreting the remaining grapes. Vomiting is often accompanied by loss of appetite and lethargy , listlessness (apathy), as well as diarrhea.

Phase 2- The following 24 hours

After the described signs, no further symptoms often appear.

You might think that the dog has already metabolized the poison and there is no longer any danger.
However, this is where the greatest risk of serious illness exists.

Phase 3 - Signs of fatal kidney failure

From day 3, symptoms can occur that indicate fatal kidney failure. These include:

  • Reduced to no urine production
  • The breath smells like urine
  • Vomiting
  • Diarrhea
  • Cramps
  • Trembling

In kidney failure caused by poisoning, the blood is no longer filtered sufficiently. The blood pressure rises sharply and there is a lot of urea in the blood.

If the dog stops urinating, the blood becomes so contaminated that the survival of the animal is highly unlikely.

The listed signs already indicate acute kidney failure, but it is not said that it is already too late.

In any case, you should seek a veterinarian immediately at the latest now.

This is how to treat grape poisoning properly!

If your dog has eaten grapes within the last one to two hours, your veterinarian will induce vomiting.

Subsequently, activated charcoal is often used. This absorbs the toxins and is excreted by the dog.

In some cases, the veterinarian gives infusions, which can also last two to three days. A longer stay may be expected.