Whether it is important for your dog to eat three or four grapes depends on the situation. If small dogs eat grapes, they may be poisoned and cause gastrointestinal obstruction. If a large dog eats three or four grapes, it is generally not a big problem, but the owner still needs to pay attention to the dog's mental state and whether there are any abnormalities in its urine and feces. If there are any abnormalities, take the dog to the hospital for examination immediately.

What to do if your dog is poisoned after eating grapes:

1. If your dog shows symptoms of poisoning, let the dog eat the grapes as soon as possible. Get them out, especially the grape skins and seeds. At the same time, let the dog drink more milk to reduce the absorption of toxins in the gastrointestinal tract, and then send the dog to the hospital.

2. If it is found that the dog has eaten a large number of grapes, the dog must be sent to the hospital for gastric lavage as soon as possible to prevent the dog from digesting the grapes and becoming poisoned.

3. If the dog has been poisoned, the dog needs to be infused at this time to allow the dog to metabolize as quickly as possible and reduce the burden on the dog's kidneys.