Common organisms causinh sinusitis:
according to scott Brown 7/e,p 1441 M/C Organism causing sinusitis in adults is also Streptococcus pneumoniae followed by H.influenza. In childreb M/C is streptococcus pnuemonia followef by both H.influenza and moraxella catarrhalis.
pseudomonas
Moraxella catarrhalis
Streptococcus pneumoniae
H.influenza
Nose and paranasal sinuses