Differential diagnosis of chronic otitis media are :
-otitis externa
-nasopharyngeal carcinoma
-bullous myringitis
-cholesteatoma
-foreign body
-temporomandibular joint syndrome
-referred pain from tooth or sinusitis
-eustachian tube dysfunction
-tympanosclerosis
-scarred tympanic membrane
-mastoiditis
-otitis externa
-nasopharyngeal carcinoma
-bullous myringitis
-cholesteatoma
-foreign body
-temporomandibular joint syndrome
-referred pain from tooth or sinusitis
-eustachian tube dysfunction
-tympanosclerosis
-scarred tympanic membrane
-mastoiditis