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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]
The leaves and stems of the western poison oak plant (Toxicodendron) can release an oil called urushiol. It gets on your skin if you touch the plant but some people also breathe in
Also, in some instances such as poison ivy dermatitis calamine lotion and cool oatmeal baths may relieve itching. [ 19 ] Unlike the more common Type I allergies (e.g. hay fever), contact allergies are not mediated by histamine , making the use of normal allergy medication ( antihistamine ) medication ineffective and other drugs have to be used ...
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.
It was not until 1933 when antihistamines, the first type of anti-allergic agents, were developed. [1] Common allergic diseases include allergic rhinitis, allergic asthma and atopic dermatitis with varying symptoms, including runny nose, watery eyes, itchiness, coughing, and shortness of breath. More than one-third of the world's population is ...
PDC-APB, or 3-pentadecyl-1,2-phenylene bis(4-(4-aminophenyl)butanoate), [1] is a drug candidate under evaluation to determine if it might protect against contact dermatitis caused by urishiol from poison ivy, poison oak, and poison sumac.