1. Anatomy of an Ear Infection Slideshow Pictures
2. Take the Ear Infection Quiz
3. Tinnitus (Ringing of the Ears) Slideshow Pictures

Hearing loss may be gradual or sudden. Hearing loss may be very mild, resulting in minor difficulties with conversation, or as severe as complete deafness. The speed with which hearing loss occurs may give clues as to the cause.

• If hearing loss is sudden, it may be from trauma or a problem with blood circulation. A gradual onset is suggestive of other causes such as aging or a tumor.

• If you also have other associated neurological problems, such as tinnitus (ringing in the ears) or vertigo (spinning sensation), it may indicate a problem with the nerves in the ear or brain.

• Hearing loss may be unilateral (only 1 ear) or bilateral (both ears). Unilateral hearing loss is most often associated with conductive causes, trauma, and acoustic neuromas.

• Pain in the ear is associated with ear infections, trauma, and obstruction in the canal. Ear infections may also cause a fever.

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