Symptoms may include coughing, shortness of breath. Low toxicity in small quantities but larger dosages may cause nausea, vomiting, diarrhea, and black stool. Pink urine discoloration is a strong indicator of iron poisoning. Liver damage, coma, and death from iron poisoning has been recorded.
Smaller doses are much more toxic to children.
Causes irritation to skin. Symptoms include redness, itching, and pain. Causes irritation, redness, and pain. Large chronic doses cause rickets in infants. Chronic exposure may cause liver effects.