<prompt> Commonest cause for acute otitis media in children isH influenzaS pneumoniaS aureusPseudomonas  <response>: Most common organisms in infants and young children are Streptococcus pneumonia 30 co , Haemophilus influenza20 and Moraxella catarrhalis12. Other organisms include Streptococcus pyogenes, Staphylococcus aureus and sometimes Pseudomonas aeruginosa. Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 67 