If you get a bump on your body, it is often considered to be caused by hives or some allergic reaction. If this condition is caused by an allergic reaction, it is important to go to the hospital in time for an examination. Allergic reactions usually come and go quickly, and most do not leave scars. At the same time, it is important to identify your allergens and avoid contact or intake of such allergens in your daily life in the future. If it is caused by hives, it should be treated promptly and can be treated with paracetamol medication. In the process of growing the bag, there will also be an itchy skin condition. Do not scratch or squeeze it with your hands, as this can infect its diseased area. During the treatment period, you should pay attention to the intake of diet, avoid eating spicy and stimulating food, do not drink alcohol, do not eat mutton, etc., will slowly recover, do not worry too much.