Clinical features:- Initially hemorrhagic gastroenteritis, shock symptoms- In case patient survives: symptom-free interval afer 6 hours- Causes dark-colored stools- 1-2 days later: Risk of renal and liver failure, unconsciousness, and respiratory depression

Diagnostics: - Anion gap metabolic acidosis- Radiopaque pills on abdominal x-ray

Treatment:- Antidote: Deferoxamine- Whole bowel irrigation