DefinitionPhilodendron is a flowering houseplant. Philodendron poisoning occurs when someone eats pieces of this plant.This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.Poisonous IngredientCalcium oxalateSymptomsBurning and painful eyesBurning in mouth and throatDiarrheaIrritated skinNauseaSlurred speechSwelling of mouthSwelling of tongueVomitingHome TreatmentSeek immediate medical help. Do NOT make a person throw up unless told to do so by poison control or a health care professional.If the chemical was swallowed, immediately give the person water or milk, unless instructed otherwise by a health c