Poison ivy, scientifically known as Toxicodendron radicans, is a woody vine that is infamous for its irritating effects on the skin. Found in North America, its leaves are composed of three leaflets and release a toxic resin called urushiol, which triggers an allergic reaction in most individuals. Contact with poison ivy can result in a red, itchy rash that often forms blisters. It is important to identify and avoid this plant while hiking or working outdoors. If exposed, promptly washing the affected area with soap and water can help minimize the chances of a severe reaction. Additionally, over-the-counter creams and antihistamines can provide relief from the discomfort caused by poison ivy. Remember, awareness and caution are crucial in dealing with this troublesome vine.#16#