Middle ear infection
Otitis media is an infection of the middle ear that causes inflammation (redness and swelling) and a build-up of fluid behind the eardrum
A middle ear infection (otitis media) can usually be diagnosed using an instrument called an otoscope.
Most middle ear infections (otitis media) will clear up within three days and don't need any specific treatment.
Serious complications of middle ear infections (otitis media) are rare but very young children are still at risk because their immune systems are developing