gram-positive_bacterial_infectious_disease obsolete Clostridium perfringens gastroenteritis true disease_ontology DOID:11523 A commensal Clostridium infectious disease that is caused by ingestion of food contaminated with Clostridium perfringens, which produces an enterotoxin that acts on the small intestine. The symptoms include watery diarrhea, abdominal cramps, a severe decrease in blood pressure and abdominal expansion from gas. Clostridium perfringens food poisoning Food poisoning due to C. welchii Food poisoning due to Clostridium perfringens (disorder) Food poisoning due to Clostridium perfringens [C. welchii] food poisoning due to clostridium perfringens