Entamoeba histolytica Salmonella sp . Vibrio vulnificus Yersinia sp. May not have any GI tract problems but instead see systemic problems. Various conditions due to ingestion of poisonous mushrooms Return to top Mycetismus gastrointestinalis Ingestion of mushroom. The symptoms begin suddenly and are characterized by violent vomiting, continuous diarrhea, dehydration and muscle cramps.
Poisoning is diphasic.
The terminal symptoms include a sudden onset of confusion, comma, sweating, miosis, muscular twitching, lacrimation and salivation. E. coli - gram negative rod Ingestion of comtaminated water or food. LT is similar to cholera toxin. The ST acts by stimulation of guanylate cyclase with resultant cyclic GMP accumulation in mucosal cells. E. coli - gram negative rod Ingestion of comtaminated water or food.