![]() The cause of poison ivy rash is an allergic contact dermatitis from an oily resin called urushoil. Urushoil is very sticky and can be found in the roots, stems and leaves of poison ivy, poison sumac, and poison oak.
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![]() The cause of poison ivy rash is an allergic contact dermatitis from an oily resin called urushoil. Urushoil is very sticky and can be found in the roots, stems and leaves of poison ivy, poison sumac, and poison oak.
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