https://doi.org/10.1351/goldbook.11760
Poisoning produced by eating food affected by ergot (ergotamine alkaloids), substances produced by the fungus Claviceps purpurea that contaminate rye and wheat.
Note: Ergotism typically results in hallucinations, headache, vomiting, diarrhea, a painful burning sensation in the limbs and extremities, and gangrene of the fingers and toes.