How to quickly reduce facial edema generally depends on the causes of facial edema, clinically different methods can be taken to reduce swelling: a. If the patient’s face is swollen due to the growth of wisdom teeth and or oral dental infection, oral metronidazole tablets can be used to control the inflammation of the mouth, if the patient’s pain symptoms can not be relieved, it is necessary to perform surgery to remove the wisdom teeth and septic teeth, and after the inflammation in the mouth is completely controlled, the swelling of the face can gradually subside. After the inflammation in the oral cavity is completely controlled, the swelling of the face can gradually subside. For allergic patients, exposure to pollen, dust and other allergens can cause allergic metaplasia in the body, resulting in facial edema. Patients need to stay away from allergens as soon as possible, and oral loratadine, intramuscular promethazine, IV vitamin C, calcium gluconate and other drugs can reduce the allergic metaplasia in the body, thus alleviating the symptoms of facial edema.