Streptococci
Grp A beta haemolytic streptococci : S. pyogenus – Cellulitis
S. pyogenus and faecalis – infections in large bowel surgery
Sensitive to penicillin and erythromycin
Cephalosporins can also be given
Staphylococci
S. aureus : suppuration
Flucloxacillin
Vancomycin – MRSA
S. epidermidis : biofilms in prosthetics
Clostridia