Conductive hearing loss refers to the loss of hearing because sound is not conducted from the outer ear to the inner ear due to a blockage of some sort. This type of hearing loss is usually correctable and though the person suffers from a hearing loss, the sounds do not get distorted.
What causes conductive hearing loss? There are many reasons why a person can suffer from conductive hearing loss but one of the most common reasons is the build up of wax in the ear canal. This is a temporary loss of hearing and once the wax is removed, the hearing returns to normal.
Conductive hearing loss can also occur due to infections of the middle ear, foreign objects finding their way inadvertently into the ear (e.g. insects or beads), birth defects, a growth in the ear canal and injury.
While ear wax build up is the most common reason for conductive hearing loss, it has been seen that many people also suffer from this type of hearing loss due to infections of the middle ear. Usually when the middle ear gets infected, the lining of the ear swells up and there can be accumulation of fluid leading to loss of hearing. Infections can be treated with antibiotics and the fluid accumulation can be removed through a process known as myringotomy which involves making a small incision in the eardrum so that the fluid can drain out.
It has been seen that presence of fluid in the ear is usually due to malfunction of the Eustachian tube. This tube connects the ear to the throat and its main job is to maintain equal pressure in the ear and the surroundings. Often you may require medical treatment to get the Eustachian tube to function normally and this will do away with conductive hearing loss.
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