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Key Points
➤ Sinusitis affects approximately 12% of adults in the United States,
resulting in over 30 million annual diagnoses.
➤ More than 1 in 5 antibiotics prescribed in adults are for sinusitis, making
it the fifth most common diagnosis responsible for antibiotic therapy.
➤ About 20 million cases of presumed acute bacterial rhinosinusitis
(ABRS) occur annually in the United States, rendering it one of the
most common conditions encountered by clinicians.
➤ The importance of ABRS relates not only to prevalence, but to the
potential for uncommon but serious complications that include
meningitis, brain abscess, orbital cellulitis and orbital abscess.
