Why are raisins toxic to dogs?
John Johnson
Updated on May 30, 2026
3 Veterinarians Discover that Tartaric Acid is the Culprit
ASPCA Poison Control Center (APCC) veterinarians solved the 20-year mystery of why grapes, raisins and sultanas are poisonous to dogs. It turns out that the tartaric acid in grapes causes these symptoms: Vomiting. Diarrhea.How much raisins is toxic to dogs?
Grapes and RaisinsToxic dose: The dose that can cause serious problems is 0.7 ounces per kilogram of grapes and 0.1 ounce per kilogram of raisins. This means that 3 grapes (or 3 raisins) could be fatal for a 2.5 pound puppy, and 12 grapes (or 12 to 15 raisins) could potentially kill a 10-pound animal.
Can 1 raisin hurt a dog?
Even the ingestion of one single raisin or grape can be fatal to a dog. Consuming a grape or raisin can lead to acute (fast or sudden) kidney failure in dogs. They can very sick very fast!Can a dog survive eating a raisin?
Unfortunately, the answer is a resounding “no!”. Raisins are highly toxic to dogs and so are grapes from which raisins are made of. Raisins and grapes can cause severe acute kidney failure in dogs.What happens if a dog eats 2 raisins?
The toxic number of grapes or raisins is unknown, and it doesn't affect all dogs the same. Based on known cases of grape toxicity in dogs, even one or a few grapes or raisins can cause acute kidney failure, which can be fatal.Are grapes and raisins poisonous for dogs? Dr. Dan talks symptoms and treatment for grape toxicity.
Can dogs have bananas?
Yes, dogs can eat bananas. In moderation, bananas are a great low-calorie treat for dogs. They're high in potassium, vitamins, biotin, fiber, and copper. They are low in cholesterol and sodium, but because of their high sugar content, bananas should be given as a treat, not part of your dog's main diet.Why are onions bad for dogs?
Onions contain a toxic principle known as N-propyl disulfide. This compound causes a breakdown of red blood cells, leading to anemia in dogs. The toxin causes oxidative damage to your dog's red blood cells by attaching to the oxygen molecules in your dog's red blood cells.Why can't dogs eat pork?
Eating raw or undercooked pork is not safe for dogs or humans, due to the parasite trichinella spiralis larvae, which can cause the parasite infection known as trichinosis. An infection transmitted by pork meat, it can occur when a dog eats the muscles of animals that are infected with the trichinella parasites.Why can't dogs have ham?
Even the preservatives used in ham are loaded with nitrates and nitrites, which are sodium-based. In fact, salt can be toxic to dogs: it can lead to vomiting, diarrhea, excessive thirst and urination, lethargy, and abnormal fluid accumulation.Can dogs eat apples?
Are Apples Good for Dogs? Yes, apples are good for dogs. Apples are a great source of vitamin C, vitamin A, potassium, and antioxidants. They're chock full of fiber, especially in the peels, which helps dogs maintain a healthy weight while assisting with their digestion.What fruit can dogs not eat?
What Fruits Are Not Good for Dogs?
- Avocado. This fruit contains persin, a toxin that makes dogs throw up and have diarrhea.
- Cherries. Cherry pits contain cyanide. ...
- Grapes. Grapes can cause sudden kidney failure in dogs. ...
- Tomatoes. The green parts of the tomato plant have solanine, which is toxic to dogs.