Pediatrics Impoant Bacterial Diseases in Children 08526563 Most common cause of acute otitis media in children is: A Strep pneumoniae B Strep pyogenes C Staph aureus D Pseudomonas High-Yield Explanation 3 pathogens predominate in Acute Otitis Media: Strepto pneumoniae, H. influenzae & Moraxella catarrhalis.