Criteria
The American Academy of Otolaryngology - Head and neck surgery diagnostic criteria[2]
Otitis media with effusion:
Presence of middle ear effusion
No signs and symptoms of acute infection.
Chronic otitis media with effusion:
Middle ear effusion that is persistent for ≥3 months, either from the date of onset, if known, or from the date of the first diagnosis of middle ear effusion.
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