The most common organism causing acute tonsillitis is:
Group A beta hemolytic streptococci is the M/C bacteria causing acute tonsillitis. other causes are: staph aureus pnuemococci H. Influenza Ref Dhingra 5/e,p 341,6/e,p 288.
Staph aureus
Anaerobes
Hemolytic streptococci
Pneumococcus
Pharynx