The effect of long-term ergot poisoning, traditionally due to the ingestion of the alkaloids produced by the Claviceps purpurea fungus which infects rye and other cereals, and more recently by the action of a number of ergoline-based drugs
poisoning by ingestion of ergot-infected grain products; characterized by thirst and diarrhea and nausea and craming and vomiting and abnormal cardiac rhythms; in severe cases it can cause seizures and gangrene of the limbs