Grapes are eaten raw, dried (as raisins, currants and sultanas), or cooked. Also, depending on the grape cultivar, grapes are used in winemaking. Grapes can be processed into a multitude of products such as jams, juices, vinegars and oils.
Grapes and raisins are extremely toxic to both cats and dogs. Raisins are far more dangerous because the unknown toxin is highly concentrated. Vomiting is usually the first symptom, followed by severe lethargy and kidney failure. 1. Assess the Toxicity Risk Immediately.
It is currently unknown why this fruit is toxic for canines, and to date, no specific toxic compound has been identified in grapes and raisins. There are no known associations between the grape or raisin type, pesticide use, type of farming (e.g., organic), and the severity of toxicity.
Learn why grapes & raisins are toxic to dogs, the symptoms to watch for & what to do if your dog eats them. Act fast & protect your pet by calling a vet today.

Beyond the toxicity of grapes and raisins, these foods often have added ingredients like xylitol, which is toxic to dogs, plus considerable amounts of sugar that can also cause health problems.
Find out why grapes and raisins can be harmful to dogs, the signs of grape toxicity, and safer treat alternatives.A close-up of purple grapes, red grapes and green grapes lying next to each other.
Grapes and raisins are highly toxic to dogs. This vet-written guide explains the risks, early symptoms, and how to respond fast in an emergency.

Grapes, raisins & currants are toxic to dogs.Raisins are grapes that have been left to dry for about three weeks. They are a dark brown color. Sultanas, often referred to as "golden" raisins, are dried green seedless grapes and are typically lighter in color than raisins.
Symptoms of toxicity from grapes, raisins or sultanas can include, nausea, vomiting and diarrhea, fatigue, drowsiness and weakness. A urinalysis will show an increase in by products that should not pass through the kidneys into the urine, such as glucose.