The Eustachian tube, which drains fluids away from the middle ear, may become plugged due to a viral or bacterial infection, allowing a buildup of fluid to press against the eardrum. Adults are more likely to get infections from swimming, injuries such a foreign body in the ear , or following upper respiratory illnesses.
infection adult in ear for Cause
Kliegman RM, et al. This infection often results from another illness — cold, flu or allergy — that causes congestion and swelling of the nasal passages, throat and eustachian tubes. Corrigan, M. Doctors think this speeds up recovery from some types of chronic ear infections, such as CSOM, as it keeps the ear canal free of debris and discharge.
What is an ear infection?
More updates. A warm compress may help relieve the pressure building up in the ear as well. If they happen repeatedly, you should see an otolaryngologist ear, nose, and throat specialist or an otologist ear subspecialist.