The pattern of symptoms following ingestion of a poisonous mushroom may help identify the species of mushroom involved.
Symptoms Appearing Within 2 Hours of Ingestion
Symptoms
Species
primary signs nausea, vomiting or diarrhea
simple gastroenteric irritants
primary signs profuse sweating, nausea, colic
Inocybe or Clitocybe species
primary signs delirium or hallucinations, associated with sleep or coma
Amanita muscaria, Amanita pantherina
primary signs delirium or hallucinations, not associated with sleep or coma
Psilocybe, Panaeolus, or Copelandia species
Symptoms Appearing More Than 2 Hours of Ingestion
onset of symptoms immediately after alcohol ingestion
Coprinus atramentarius
primary signs 6 or more hours after ingestion, with fatigue, headache and nausea
Gyromitra esculenta
primary signs 12 hours after ingestion, with severe emesis and diarrhea
Amanita phalloides type
primary signs 3 or more days after ingestion, with intense thirst and polyuria
Cortinarius species
Limitations:
• The analysis may overlook an exposure in a mixed ingestion.
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Specialty: Toxicology, Emergency Medicine, Critical Care
