The dog's stomach cramps and retching may be caused by worms in the body and gastrointestinal discomfort. Pay attention to observe whether the dog has other symptoms. In serious cases, it needs to be sent to the hospital for examination immediately. If the dog is not dewormed regularly, if there are parasites in the dog's body, it will cause symptoms of convulsions and retching. The dog needs to be dewormed in time and the condition should be observed. If your dog suddenly changes its food or eats the wrong food, it will also cause this symptom. If the condition is not serious, you can feed probiotics to help regulate the gastrointestinal tract. If the condition is serious, you need to go to the hospital for examination to avoid delaying the condition.