Severe poisoning in a child by the mushroom Inocybe tristis, Malençon and Bertault.

Following ingestion of the mushroom Inocybe tristis, a 2 1/2-yr-old girl had sudden onset of diarrhea, vomiting, stupor and myosis. Subsequently, she developed excessive hypertension, a purpuric rash and transient hepatic, muscular, renal and cutaneous damage. The patient completely recovered after supportive therapy. This is an instance of severe multisystemic toxicity caused by the mushroom Inocybe tristis, Malençon and Bertault, previously unreported.