The fastest way to reduce swelling: 1, ice, if the patient is the movement caused by swollen joints, suitable for ice bags, if the emergency can not find ice bags, you can also buy cold drinks or ice cream, with low temperature to stimulate the swollen parts, to achieve the purpose of rapid reduction of swelling. 2, allergies, if the whole body swelling caused by allergies, do not apply drugs, to go to the hospital to detect allergens, to give the right medicine. The actual fact is that you can use the way of scraping to solve the problem, but to go to a specialist hospital for professional treatment.