Is calla lily sap toxic

According to the University of California, Calla Lilies are indeed toxic. Their juice or sap can irritate the skin, mouth, tongue, and throat, resulting in throat swelling, breathing difficulties, burning pain, and stomach upset. They can also cause rashes or a skin irritation. You must wash the area of skin with soap and water ASAP. The University of Californian website warns that if you have indeed come into contact with calla lily sap and have one of these systems to call poison control or go to a doctor.