Effects and Symptoms: The rhubarb itself, is harmless and even healthy. However, if a the leaf is accidently cooked along with the rhubarb, the digestive irritant may cause stomach pains, nausea, vomiting, hemorrhage, weakness, difficulty breathing, burning of mouth and throat, kidney irritation, and anuria, which then leads to a drop in the calcium content of the blood and cardiac or respiratory arrest.

Case Study: A woman in the first trimester of a pregnancy aborted her fetus before dying from rhubarb poisoning herself.