how do you know when you have posion oak?

Question:

how do you identifie the posion oak rash?

Answers:
Urushiol-induced contact dermatitis (also Toxicodendron dermatitis and Rhus dermatitis) is the medical name given to allergic rashes produced by urushiol oil contained in various plants. This includes the genus Toxicodendron (including poison-ivy, poison oak, and poison sumac), as well as other plants in the family Anacardiaceae (mango, Rengas tree, Burmese lacquer tree, India marking nut tree, and the shell of the cashew nut), and even unrelated plants such as Ginkgo biloba.

The American Academy of Dermatology estimates that there are up to 50 million cases of urushiol-induced dermatitis annually in the United States alone, accounting for 10% of all lost-time injuries in the United States Forest Service. Poison-oak is a significant problem in the rural western and southern U.S., while poison-ivy is most rampant in the eastern U.S. Dermatitis from poison sumac is not common, but it heavily impacted construction work on Disney World in Florida.

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Other Answers:
you ich and have a rash

The first symptom of poisoning is a severe itching of the skin. Later, a red inflammation and a blistering of the skin occurs. In severe cases, oozing sores develop. The rash spreads by the poisonous sap (urushiol), not as the result of contamination from sores. The blood vessels develop gaps that leak fluid through the skin, causing blisters and oozing. When you cool the skin, the vessels constrict and don't leak as much according to Robert Rietschel, M.D. Chairman of Dermatolgy at New Orleans' Ochsner Clinic.
Source(s):
http://poisonivy.aesir.com/view/faq.html

Same thing for Poison Ivy or Poison Sumac: Large red rashes and severe itching, often accompanied by thirst and/or nausea and/or diarrhea.

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how do you know when you have posion oak?

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