Pain in the abdomen with itchy bumps on the body is mainly caused by allergies, which are most common. Detoxification, anti-allergic effect. If it is caused by other reasons, such as gastrointestinal flu, we should carry out systematic and standardized treatment for the cause, try to get more rest, drink water appropriately, promote diuresis, and take cold medications and antiviral drugs, commonly used clinically are antiviral oral solution, and anti-cold drugs such as Sensacare, which can relieve abdominal pain and generalized itching.