🦠microbiology review

AOM

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

Acute Otitis Media (AOM) is a bacterial infection affecting the middle ear, often following an upper respiratory tract infection. It is characterized by ear pain, fever, and sometimes fluid drainage from the ear.

5 Must Know Facts For Your Next Test

  1. AOM commonly follows viral respiratory infections such as the common cold.
  2. Streptococcus pneumoniae and Haemophilus influenzae are the primary bacterial pathogens causing AOM.
  3. Diagnosis of AOM often involves otoscopic examination revealing a bulging tympanic membrane.
  4. Antibiotics like amoxicillin are typically prescribed for treatment of bacterial AOM.
  5. Children are more susceptible to AOM due to shorter and more horizontal Eustachian tubes.
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