<unk> , or ear pain, is commonly due to otitis media which is predominantly an infectious disease seen in children. Otitis media ia an infection of the middle ear.  Otitis externa is a less frequent cause of ear pain, and is often observed in swimmers and hence names swimmer's ear.
Otalgia epidemiology and demographics
Dizziness epidemiology and demographics
Trigeminal neuralgia epidemiology and demographics
Headache epidemiology and demographics
Neck pain epidemiology and demographics
Cataract epidemiology and demographics
Acoustic neuroma epidemiology and demographics
Hyperhidrosis epidemiology and demographics