Calcium oxalate, a water insoluble salt, is ejected from the plant when exposed to water, as in the skin or mucosa. Sap from daffodil, Narcissus spp. Dryness, fissures, scaling, and erythema chiefly affect the fingertips, hands, and forearms and are often accompanied by subungual hyperkeratosis. After the calcium oxalate causes microabrasions, the bromelin exerts its proteolytic effect on dermal blood vessels. 25 Treatment of calcium oxalate ingestion includes parenteral steroids, antacid mouthwashes, and analgesics.
Antihistamines are of no benefit.
The pain and edema diminish over four to twelve days. Plasters' made from the plant oils have been used medicinally for years. Unfortunately, prolonged contact causes erythema and blisters. Latex is made by some seed-bearing plants and refers to the viscid, milky juice used to store hydrocarbons. Over 7000 species of the spurge family are found throughout the world, making it one of the largest families of flowering plants.