Risk factors for<unk>  are related to acute otitis media risk factors. These include: allergy, upper respiratory tract infection, snoring, previous history of acute otitis media, passive smoker, smoking during pregnancy, and low social status. Exposure of infants to day-care centers is a controversial risk factor.
Mastoiditis risk factors
Mastoiditis causes
Rhinosinusitis risk factors
Adenoiditis risk factors
Orbital cellulitis risk factors
Desmoid tumor risk factors
Acoustic neuroma risk factors
Pharyngitis risk factors