Diabetes

Diabetes and a little about Anti-Infectives

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Archive for the ‘INFECTED EARS’ Category

HOW DOES RHINITIS CAUSE OTITIS?

A basic component of every form of rhinitis is inflammation, the degree of which varies from person to person. When the nose is inflamed, it is common for the Eustachian tube and ear to become involved in that inflammation. When that happens, the Eustachian tube swells, sometimes to the point of complete closure, trapping air behind. When this happens two other important events take place:

The air trapped in the middle ear cavity gets absorbed into the blood stream via the rich network of tiny blood vessels surrounding the middle ear. The absorption of this air produces a relative vacuum in the middle ear. This change in pressure within the ear causes fluid to ooze from the walls of blood vessels into the ear cavity. The swelling of the Eustachian tube also blocks the circulation of blood and tissue fluid from the ear and provides another means by which fluid accumulates in the middle ear. If the process stopped here, you would have otitis media with effusion (ОМЕ) – i.e., fluid in the ear, but no infection associated with it.

If an infection-causing agent such as a virus or a bacteria is trapped in the middle ear cavity, the result will be an infected middle ear, otitis media (OM).

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ANTI-INFECTIVES