Based on the Brodsky grading scale, tonsillitis is of 5 grades.Grade 0- tonsils within the tonsillar fossaGrade 1- tonsils just outside of the tonsillar fossa and occupy ≤25% of the oropharyngeal widthGrade 2- tonsils occupy 26%-50% of the oropharyngeal widthGrade 3- tonsils occupy 51%-75% of the oropharyngeal widthGrade 4- tonsils occupy >75% of the oropharyngeal width