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Urushiol / ʊ ˈ r uː ʃ i. ɒ l / is an oily mixture of organic compounds with allergenic properties found in plants of the family Anacardiaceae , especially Toxicodendron spp. (e.g., poison oak , Chinese lacquer tree , poison ivy , poison sumac ), Comocladia spp. (maidenplums) , Metopium spp .
Ordinary laundering with laundry detergent will remove urushiol from most clothing. [4] Urushiol may adhere to pet fur. [4] Urushiol oil left on clothing and surfaces can be deactivated using bleach. [17] The fluid from the resulting blisters does not spread urushiol to others. [18] [14] Blisters should be left unbroken during healing. [19]
Typically, the rash from the urushiol oil lasts about five to twelve days, but in extreme cases it can last a month or more. [28] A urushiol rash usually develops within a week of exposure and can last 1–4 weeks, depending on severity and treatment. In rare cases, urushiol reactions may require hospitalization. [10]
"The urushiol oil can remain on clothing for many years and can still be potent enough to cause skin reactions," says Dr. Amy Huang, MD, a board-certified dermatologist with Medical Offices of ...
Curing the applied sap requires "drying" it in a warm, humid chamber or closet for 12 to 24 hours where the urushiol polymerizes to form a clear, hard, and waterproof surface. In its liquid state, urushiol can cause extreme rashes, even from vapours. Once hardened, reactions are possible but less common. [citation needed]
An urushiol rash usually develops within a week of exposure and can last 1–4 weeks, depending on severity and treatment. In rare cases, urushiol reactions may require hospitalization. [36] Urushiol oil can remain active for several years, so handling dead leaves or vines can cause a reaction.
Remember when your best friend growing up scraped her knee and her mom poured a little bit of hydrogen peroxide over the cut to “clean it out?” While this used to be the go-to hydrogen...
The sap contains the allergenic oil, urushiol. Urushiol gets its name from this species which in Japanese is called Urushi . Other names for this species include Japanese lacquer tree, Japanese Varnish Tree, and Japanese Sumac (Note: the term "varnish tree" is also occasionally applied to the Candlenut , Aleurites moluccana , a southeast Asian ...