Refer a patient with recurrent otitis media if they have had three or more episodes in 6 months, or four or more episodes in 12 months with at least one episode in the past 6 months NICE CKS.
Consider referral if recurrent episodes are unexplained or if cholesteatoma is suspected NICE CKS.
Refer urgently if persistent symptoms and signs of otitis media with effusion occur between episodes, especially if conductive hearing loss is present NICE CKS.
In adults with recurrent AOM (more than two episodes per year), referral is advised NICE CKS.
Additionally, refer if the patient has craniofacial abnormalities (such as Down's syndrome or cleft palate) NICE CKS.