The left side of the thyroid gland hurts for a few days and then the right side hurts, which needs to be treated after the cause is clarified under the supervision of a doctor. If the pain is caused by subacute thyroiditis, oral painkillers and, if necessary, oral glucocorticoids are needed. If subacute thyroiditis occurs, it will lead to thyroid pain, the left lobe and the right lobe may have pain successively, you need to take oral non-steroidal drugs (such as aspirin, etc.), if the condition is relatively serious, oral glucocorticosteroids (such as prednisone, etc.) can be used for treatment. If acute suppurative thyroiditis occurs, the left lobe and the right lobe may also have pain successively, usually because of bacterial infection due to the disease, so need to cefuroxime and other anti-infective treatment, it is recommended that intravenous infusion of such antibiotics. Patients with thyroid pain need to go to the hospital in a timely manner, improve the thyroid ultrasound, blood tests, etc., usually can clarify the cause, and then under the guidance of the doctor to decide how to treat.