Contains cerberin and tanghinine. May be fatal. Contains alkaloid poisons. Leaf blade produces convulsions followed by coma. A single pea has caused death.
Bulbs cause vomiting and nervous excitement.
Common cause of poisoning. Contains alkaloid poisons. Milky sap produces vomiting purgation and paralysis. All parts produce violent and painful convulsions. Many have died from Water Hemlock poisoning.