Patients with seborrheic dermatitis are usually treated with topical medications first. If the symptoms are severe, they can be relieved by internal anti-fat and anti-inflammatory medications. If the itching is severe, you can also take anti-itch medication, such as loratadine or cetirizine hydrochloride, to relieve symptoms. You can also cooperate with the doctor to take vitamin C to strengthen the patient’s resistance, which can promote the recovery of the disease as soon as possible. Pay attention to a light diet, do not smoke, do not drink, do not eat spicy, greasy food, can eat more fresh fruits and vegetables, can replenish the body needs of vitamins and trace elements, can accelerate the recovery of the disease.