Previous
Next

Bacillus cereus

62
Watch Video

Bacillus cereus 

  • Gram + rod
    • Aerobic
    • Spore-forming
  • Preformed heat-stable exotoxin causes food poisoning usually with rice and pasta
    • Cereulide is the pre-formed toxin
    • Nausea and vomiting within 1-5 hrs is most common
      • Diarrheal type causes watery, nonbloody diarrhea and GI pain within 8-18 hrs, associated with meats and sauces 
    • Spores survive cooking rice (reheated rice syndrome)
      • Keeping rice warm results in germination of spores and enterotoxin formation
  • Treatment
    • Rehydration for all patients
    •  Antibiotics if diarrhea is severe
      • Clindamycin or aminoglycosides