Mastoiditis and quinsy are too rare to support antibiotic prophylaxis.
Browning
G G
GG
D000293:Adolescent; D000328:Adult; D019072:Antibiotic Prophylaxis; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008417:Mastoiditis / Q000517:prevention & control*; D008875:Middle Aged; D010033:Otitis Media / Q000188:drug therapy; D010612:Pharyngitis / Q000517:prevention & control*