Most common organism causing both ASOM + CSOM includes
Correct Answer: Streptococcus pneumoniae
Description: (A) Streptococcus pneumoniae # ASOM: Most common organisms in infants and young children are Streptococcus pneumonia (30%), Haemophilus influenzae (20%) and Morexella catarrhalis (12%). Other organisms include streptococcus pyogenes, staphylococcus aureus and sometimes pseudomas aeroginosa. In about 18-20%, no growth is seen. Many of the strains of H. influenzae and Morexella catarrhalis are /3-lactamase producing.> CSOM: Pus culture in both types of aerobic and anaerobic CSOM may show multiple organisms. Common aerobic organisms are PS aeruginosa, Proteus, Esch. coli & Staph, aureus, while anaerobes include Bacteroides fragilis and anaerobic streptococci.
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ENT
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