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What it looks like: Poison ivy is a type of allergic contact dermatitis that is caused by the oil (urushiol oil) in the poison ivy plant, explains Karan Lal, D.O., M.S., F.A.A.D., double board ...
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]
Depending on the type of allergen causing it, the rash can ooze, drain or crust and it can become raw, scaled or thickened. Also, it is possible that the skin lesion does not take the form of a rash but it may include papules, blisters, vesicles or even a simple red area. The main difference between the rash caused by allergic contact ...
Allergens include nickel, gold, Balsam of Peru (Myroxylon pereirae), chromium, and the oily coating from plants of the genus Toxicodendron, such as poison ivy, poison oak, and poison sumac. Acrylates, rubber chemicals, emulsifiers and dyes, epoxy resin chemicals are just several of the substances that might induce Allergic Contact Dermatitis. [17]
The term atopic dermatitis was coined in 1933 by Wise and Sulzberger. [95] Sulfur as a topical treatment for eczema was fashionable in the Victorian and Edwardian eras. [84] The word dermatitis is from the Greek δέρμα derma 'skin' and -ῖτις-itis 'inflammation' and eczema is from Greek: ἔκζεμα ekzema 'eruption'. [96]
Generally, they'll just be uncomfortable. However, poison ivy rashes may require quick medical attention, including: A 100.4 °F temperature. Pus draining from the blister or rash.
Here’s how to avoid the itchy rash poison ivy can leave behind. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Mail ...
Hives, also known as urticaria, is a kind of skin rash with red and/or flesh-colored, raised, itchy bumps. [1] Hives may burn or sting. [2] The patches of rash may appear on different body parts, [2] with variable duration from minutes to days, and do not leave any long-lasting skin change. [2]
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