The most common organism causing acute tonsillitis is:: (A) Staph aureus, (B) Anaerobes, (C) Hemolytic streptococci, (D) Pneumococcus
Answer is C. 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.