Organisms producing gas gangrene

  • Gas gangrene is caused by exotoxin-producing Clostridial species
    • Clostridium perfringens – most common
    • Clostridium bifermentans
    • Clostridium septicum
    • Clostridium sporogenes
    • Clostridium novyi
    • Clostridium fallax
    • Clostridium histolyticum
    • Clostridium tertium
  • Other organisms can also produce gas. Some of them are:
    • Bacteroides
    • Anaerobic streptococci
    • Klebsiella pneumoniae in the context of diabetes