Correlation between cow's milk protein allergy and otitis media: a systematic review.

Objectives: To review the evidence pertaining to the association between cow's milk protein allergy and recurrent acute otitis media and otitis media with effusion.

Methods: The CENTRAL, Web of Science, EMBASE, MEDLINE, LILACS databases, and gray literature were searched.

Results: Four studies were included, identifying the prevalence rates: 0.