a clinical study has revealed that irritation caused by pre-existing diseases of the ear ( e.g . chronic otitis externa , wax with chronic otitis externa , c.s.o.m . with otitis externa or the presence of wax in the meatus ) and by those of the nose ( e.g . acute or chronic rhinitis , chronic vestibulitis or the presence of dried , thick sticky mucus in the vestibule of the nose in the resolving stage of a common cold ) are the major aetiological factor in foreign bodies in the ear and nose .
C0013447
diseases of
C0013443
ear