[Epidural abscess secondary to sinusitis].

Approximately 0.5-2% of upper viral infections are com-licated by secondary acute bacterial sinusitis and may in rare cases evolve into more serious complications such as meningitis and intracranial abscess. Symptoms are often subtle and nonspecific as fever, headache, scalp tenderness, nausea and altered mental status. In this case report of a 12-year-old boy with an epidural abscess secondary to sinusitis we intend to increase the knowledge to these rare, but potentially life-threatening complications to ensure the optimal and timely treatment.