Methods to judge dog poisoning:

1. After a dog is poisoned, he or she will usually experience vomiting, diarrhea, convulsions, foaming at the mouth, diarrhea, and vomiting blood. Symptoms such as blood in urine and screams.

2. The dog's body will have a nervous reaction, which is uncontrollable, and the limbs will be stiff. Some dogs will be extremely excited, and may even die suddenly in severe cases.

3. Dogs may also experience hemolysis, paddling, difficulty breathing, muscle spasms, dilated and divergent pupils, lameness, etc.

Types of dog poisoning:

1. Bacterial food poisoning. It means that the dog has eaten some food contaminated with bacteria, such as salmonella that breeds on pork, chicken, and beef. Others include coliforms, staphylococci, etc. These bacteria are difficult to eliminate.

2. Drug poisoning. It means that the dog licks pesticides, tick powder, insecticides, insecticide powder, etc.

3. Natural drug poisoning. It means that the dog has eaten some toxic plant foods, puffer fish and toxic shellfish foods. Grapes, onions, chocolate, etc. can also cause poisoning in dogs.