Bacillus Cereus

What is it.?

Bacillus cereus or B. cereus is a type of bacteria that produces toxins. These bacteria are present in foods and can multiply quickly at room temperature.


The symptoms are watery diarrhea, abdominal cramps, and pain occurs 6-15 hours after consumption of contaminated food. Nausea may accompany diarrhea, but vomiting ( emesis ) rarley occurs.

More Information


Characterized by diarrhea and the other, called emetic toxin, by nausea and vomiting. Soil-dwelling, Gram-positive, rod-shaped, motile, beta hemolytic bacterium. Some strains are harmful to humans and causefoodborne illness, while other strains can be beneficial as probiotics for animals.


Whenever gram-positive rods are discovered in the blood or the cerebrospinal fluid of an immunocompromised patient with clinical signs of infection, the empiric antibiotic treatment should cover B. cereus (B. cereus is usually sensitive to clindamycin, aminoglycosides, vancomycin,chloramphenicol, and erythromycin)