Poison Ivy - Oak - Sumac Rash
Alternate Names : Ivy - Poison, Oak - Poison, Poison Ivy Dermatitis, Poison Oak Dermatitis, Poison Sumac Dermatitis, Sumac - Poison
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Causes
The rash is caused by skin contact with the oily sap (or resin) of these plants. Smoke from burning these plants can cause the same reaction. The oily resin usually enters the skin rapidly, and is seldom transferred from person to person. The rash is NOT caused by the fluid from the blisters. Thus, once the person has washed the oil off the skin, the rash is usually not contagious.
Keep in mind that the resin may last for long periods on contaminated clothing, pets, tools, shoes, and other surfaces. These contaminated items can cause further rashes long after the initial exposure.
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