Quick Answer
Grapes and raisins can cause kidney failure in dogs. Learn the symptoms of poisoning and how to keep your dog safe.
Many people are surprised to learn that grapes and raisins are highly toxic to dogs. Even small amounts can cause serious health problems, including kidney failure. Here's what every dog owner needs to know.
Why Are Grapes and Raisins Dangerous?
The exact toxic substance in grapes and raisins hasn't been definitively identified, but what we do know is that they can cause acute kidney failure in dogs. The toxicity appears to affect dogs unpredictably - some dogs may eat grapes without apparent harm, while others can become seriously ill from just a few.
Symptoms of Grape/Raisin Poisoning
If your dog has eaten grapes or raisins, watch for these symptoms:
- Vomiting (often the first sign, usually within a few hours)
- Diarrhea
- Lethargy and weakness
- Loss of appetite
- Abdominal pain
- Decreased urination (a sign of kidney problems)
- Dehydration
If you suspect your dog has eaten grapes or raisins, contact your vet immediately - time is critical!
Preventative Measures
- Keep grapes and raisins out of reach at all times
- Be aware that raisins are found in many foods: trail mix, biscuits, muesli bars, hot cross buns
- Educate family members and visitors about the danger
- Check ingredient lists on shared foods
Safe Alternative Treats
Instead of grapes, offer your dog these safe and healthy alternatives:
- Carrots - crunchy and great for dental health
- Apple slices (without seeds) - sweet and nutritious
- Blueberries - packed with antioxidants
- Peanut butter (xylitol-free) - a favourite treat for most dogs
Layamon Bakewell, Pets In The City
PITC Expert
