Otitis media-associated complications are widespread when it is not treated with appropriate
antimicrobial treatment. Meningitis and brain abscess are the most reported intracranial
complications of otitis media, usually caused by the direct spread of organisms from the
contagious site. While anaerobic microorganisms are well-known in brain abscesses, they
are not common in meningitis. When the clinical history and pathogenesis of otitis mediaassociated meningitis are combined, special methods to identify and cover anaerobic
pathogens should be considered
