Which of the following organism is the most common cause of Acute otitis media in children?: (A) Staphylococcus aureus, (B) Moraxella catarrhalis, (C) Haemophilus Influenzae, (D) Streptococcus pneumoniae
Answer is D. Streptococcus pneumoniae is the most common organism causing acute otitis media. It accounts for roughly 30% of the cases. Other causative organisms includes Haemophilus influenzae (20%) Moraxella catarrhalis (12%), Streptococcus pyogenes and Staphylococcus aureus.