<prompt> Commonest postoperative complication of tonsillectomy isPalatal palsyHaemorrhageInjury to uvulaInfection  <response>: Commonest postoperative complication of tonsillectomy is haemorrhage Haemorrhage may be primary, secondary and reactionary haemorrhage Primary haemorrhage occurs at the time of operation Reactionary haemorrhage occurs within a period of 24 hrs Secondary haemorrhage occurs 5-10th postoperative day Re: Textbook of Ear, Nose and Throat, Dhingra, 6th Edition; Pg no: 430 