The postoperative sore throat is a common complication after the general anesthesia which decreases the quality of life. Dexamethasone is known to effective for the prevention of postoperative sore throat. The combined effect of the dexamethasone and paracetamol for postoperative sore throat, however, is not investigated.~The investigators want to evaluate the efficacy of the dexamethasone and paracetamol for the prevention of postoperative sore throat.
The investigators want to evaluate the efficacy of the dexamethasone and paracetamol for the prevention of postoperative sore throat.