Thursday, 18 August 2011

Causes Of Ear Infections

An ear infection is caused by bacteria or a virus in the middle ear. This infection often leads to other illnesses - colds, flu or allergy - causing congestion and sore throat, nasal passages and eustachian tubes.

Role Eustachian tube

Eustachian tubes are a pair of narrow tubes as the beginning of each ear Average high back of the throat behind the nose. The end of the throat opening and closing of tubes:

To adjust the air pressure in the middle ear

Cool air in the ear

Drain the normal secretions of the middle ear

Swelling, inflammation and mucus in the upper respiratory tract infections Eustachian tube or allergy can block them, causing the accumulation of fluid in the middle ear. Bacterial or viral infection, this fluid is usually what produces symptoms of ear infection.

Ear infections are more common in children, in part because their eustachian tubes are narrower and more horizontal - the factors that make them difficult to drain, and is likely to become clogged.

Role of polyps

The adenoids are two small pads of tissue high on the back of the throat appears to play a role in immune system activity. This feature can be particularly vulnerable to infection and inflammation.

Since the adenoids are located near the opening of the eustachian tube, inflammation or enlargement of the adenoids can block the fallopian tubes, which contributes to infection of the middle ear. Inflammation of the vegetation is likely to play a role in ear infections in children because children are more active and adenoids relatively large.

Conditions related

Conditions of the middle ear, which can be linked to ear infections or lead to problems similar middle ear are:

Otitis media with effusion is inflammation and fluid accumulation (effusion) in the middle ear without a bacterial or viral. This can occur due to accumulation of fluid persists even after an ear infection has cleared. You can also occur due to malfunction or blockage of noninfectious the fallopian tube.

Chronic suppurative otitis media is a persistent infection in the ear that the results of tear or perforation of the eardrum.

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