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Poison Sumac: First Aid Management

Poison sumac (Toxicodendron vernix) is a poisonous plant that is present in wetlands. Its leaves, stem, roots, flowers and berries all contain the oily, sticky urushiol resin. It is the urushiol resin that causes the irritation to the skin or contact dermatitis. Upon direct or indirect contact with urushiol, it causes an allergic reaction to […]