Poisonous Mushrooms: Onset of Action and Organs Targeted

Mushrooms

Toxin

Onset Time

Organ/System Affected

Latent Period >6 hr After Ingestion; Life-threatening

Amanita phalloides,A ocreata, A bisporigera

Cyclopeptides, alpha, beta, and gamma amanitins

6–24 hr, rarely >24 hr

Primarily liver, kidney secondarily

Conocybe filaris

Alpha and beta amanitins

6–24 hr, rarely >24 hr

Primarily liver

Cortinarius orellanosus, C rubellus

Orellanine

3–14 days

Primarily renal

Galerina marginata

Alpha and beta amanitins

6–24 hr, rarely >24 hr

Primarily liver

Gyromitra esculenta

Monomethylhydrazine

6–24 hr

CNS

Lepiota spp

Alpha and beta amanitins

6–24 hr, rarely >24 hr

Primarily liver

Latent Period ≤3 hr After Ingestion; Not Life-threatening

Amanita muscaria, A pantherina

Isoxazoles: ibotenic acid and muscimol

30 min–2 hr; recovery 4–24 hr

CNS

Chlorophyllum molybdites

Unknown

15 min–3 hr; recovery 1–2 days

Gastrointestinal

Clitocybe spp, Inocybe spp

Muscarine

15 min–2 hr; recovery 6–24 hr

Autonomic nervous system

Paxillus involutus

Unknown

1–3 hr; recovery 2–4 days

Gastrointestinal, immune system (rare)

Psilocybe spp, Conocybe spp, Gymnopilus spp, Panaeolus spp

Psilocybin and psilocin

30–60 min; recovery 6–12 hr

CNS

Russula emetica

Unknown

30 min–3 hr; recovery 1–2 days

Gastrointestinal