Is Poison Ivy Contagious? Center

Poison ivy produces urushiol, an oily chemical, that causes an itchy, painful reddish rash in people who come in contact with the plant. The rash lasts for one to three weeks. People should seek medical care for poison ivy exposure if the resulting rash covers a large portion of the body, if the rash develops on the genitalia or face, or if there is swelling around the eyes or of the throat. Read more: Is Poison Ivy Contagious? Article

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