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Symptoms of Poison Ivy
Toxicodendron radicans, better known as poison ivy, is a poisonous North American plant that is well known for its production of urushiol, a clear liquid compound found within the sap of the plant that causes an itching rash in most people who touch it. The plant is not a true ivy (Hedera).
Poison ivy can be found growing in any of the following three forms:
Symptoms appear within a few hours to 7 days after contact with the plant.
In those only slightly sensitive to it:
In those very sensitive to it:
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