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rashes, itching, inflammation, oozing, and, in severe cases, a burning sensation. 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 ...
Toxicodendron is a genus of flowering plants in the sumac family, Anacardiaceae. It contains trees, shrubs and woody vines, including poison ivy, poison oak, and the lacquer tree. All members of the genus produce the skin-irritating oil urushiol, which can cause a severe allergic reaction.
The shrub can grow to 1 metre (3 feet) tall. Its leaves are 15 centimetres (6 inches) long, alternate, with three leaflets on each. The leaflets are usually hairy and are variable in size and shape, but most often resemble white oak leaves; they usually turn yellow or orange in autumn. The fruit is small, round, and yellowish or greenish.
Toxicodendron radicans, commonly known as eastern poison ivy[3] or poison ivy, is an allergenic flowering plant that occurs in Asia and eastern North America. The species is well known for causing urushiol-induced contact dermatitis, an itchy, irritating, and sometimes painful rash, in most people who touch it.
Rhus aromatica, the fragrant sumac, [1] is a deciduous shrub in the family Anacardiaceae native to North America. [2] It is found in southern Canada (Alberta to Quebec) and nearly all of the lower 48 states except peninsular Florida.
Chickenpox, also known as varicella (/ ˌvɛrəˈsɛlə / VER-ə-SEL-ə), is a highly contagious, vaccine-preventable disease caused by the initial infection with varicella zoster virus (VZV), a member of the herpesvirus family. [3][7][5] The disease results in a characteristic skin rash that forms small, itchy blisters, which eventually scab ...
Urushiol in its pure form is a pale-yellow liquid with a density of about 0.968 g/mL and a boiling point of 200 °C (392 °F). It is soluble in diethyl ether, acetone, ethanol, carbon tetrachloride, and benzene. [12][13] Urushiol is a mixture of several closely related organic compounds. Each consists of a catechol substituted in the 3 position ...
Toxicodendron vernicifluum (formerly Rhus verniciflua[1]), also known by the common name Chinese lacquer tree, [1][2][3] is an Asian tree species of genus Toxicodendron native to China and the Indian subcontinent, and cultivated in regions of China, Japan and Korea. [4] Other common names include Japanese lacquer tree, [5] Japanese sumac, [4 ...