If a person continues to touch other parts of the body with his/her urushiol contaminated hands, the rash can spread to other parts. If the affected area is small, the rash may appear as multiple streaks and patches and if it is a larger area it can be more severe. The appearance of the rash may vary according to the area of the contact. Usually the contact dermatitis affects the face, neck, legs and genitalia. Often it peaks within a week and disappears in one to three weeks. Usually the symptoms appear within 24 to 72 hours after the initial contact with the allergen urushiol. The classic symptoms of contact dermatitis due to poison ivy are: The symptoms may range from mild to severe.
#POISON IVY PICTURES SKIN#
The sap containing urushiol sticks to the skin very soon and causes the allergy. The chemical causes allergy at the site of contact, thus resulting in contact dermatitis that leads to a skin rash. Either a direct contact to this chemical compound by brushing against a damaged plant part or an indirect contact via urushiol oil contaminated clothing, tools, footwear, pets or inhalation of smoke of burning poison ivy plant can cause an allergic reaction. The leaves, flowers, stems and roots of this plant have an oily sap which contains an allergenic component known as Urushiol. Both types have shiny and smooth leaves arranged in clusters of three. Western poison ivy which grows as a shrub is the commonest type while Eastern poison ivy grows as vine trailing on the ground or on trees. There are two types of poison ivy plant as Western poison ivy (Toxicodendron rydbergii) and Eastern poison ivy (Toxicodendron radicans). Poison ivy is a wild plant found native in America which has also been introduced to Asia, Europe, Australia and New Zealand.
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