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Urushiol-induced contact dermatitis (also called Toxicodendron dermatitis or Rhus dermatitis) is a type of allergic contact dermatitis caused by the oil urushiol found in various plants, most notably sumac family species of the genus Toxicodendron: poison ivy, poison oak, poison sumac, and the Chinese lacquer tree. [1]
Between now and May, pollen from birch, maple and oak trees, for example, are wreaking havoc on allergies, causing red and itchy eyes, runny noses and sneezing fits.
Maple bark disease, or maple bark stripper’s disease, is an uncommon condition caused by exposure to the spores of C. corticale. [5] The spores are hyper-allergenic and cause a hypersensitivity pneumonitis. [6] [7] The disease has been found among workers in the paper industry employed to debark, cut and chip maple logs. The symptoms include ...
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.
The three pollen seasons: Trees, grass and weeds A birch tree in the spring forms pollen seen here. Pollen can be broken down in to three categories depending on where it comes from - tree, grass ...
“Different allergens and pollen spike throughout the year, and it can sometimes be difficult to diagnose gastrointestinal issues due to seasonal allergies because oftentimes upper respiratory ...
Prevalence of allergenicity is unclear but it is the most likely azo dye to cause hypersensitivity and reactions may occur from ingestion or skin contact. It is possible for some individuals to become desensitized. There is no strong evidence suggesting that tartrazine can cause hypersensitivity or intolerance in non-allergic individuals. Tree ...
The effects on allergies were seen soon after when Dutch elm disease decimated the iconic street tree, he said. As the elms died, they were replaced with male trees that had been so popularized as ...