![]() ![]() The itch is often severe, will worsen with scratching, and can interfere with sleep. The rash forms small fluid-filled blisters that ooze. This causes the rash to appear in shapes that resemble lines or splashes on the skin, a key diagnostic clue. Wherever the contact occurred is where the rash can develop. The resin can also be spread from the fur of pets onto human skin. Remember that it is direct contact between the skin and the resin that causes the rash. The leaves can be shiny and can have rounded notches or “thumbs.” Its leaves are made of three leaflets and the vines have small identifiable “hairs,” which help it climb trees. Poison ivy, common in Eastern states, grows as a shrub or vine that can reach impressive heights. When injured, these plants release urushiol, an oily resin that causes the notorious rash. Poison ivy belongs to the Toxicodendron family of plants, which includes poison ivy, poison oak and poison sumac. And as we venture out to relish the late summer weather, it is important to be able to identify, prevent and treat poison ivy. The plant is flourishing with climate change and land development. These common adages help us remain watchful for an unwelcomed backyard presence: poison ivy.
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