An uncommon skin disease caused by a hypersensitivity reaction, as occurs in hikers and backpackers following contact with poison ivy or poison oak.
(al LUR jik CON tack DUR muh TIE tis): The form of contact dermatitis that is a delayed allergic reaction to an allergen. Characterized by inflammatory papules and vesicles. Poison ivy is a form of allergic contact dermatitis.
Delayed or type IV immunologic contact dermatitis, similar to poison ivy dermatitis. This allergic reaction is usually due to the chemicals in latex gloves. These reactions develop slowly, usually appearing in 18 - 24 hours, peaking at 48 hours, and resolving in 72 - 96 hours. It is the second most common skin reaction.
is due to skin contact with substances that most people don't react to - most commonly nickel, perfume, rubber, hair dye or preservatives. A dermatologist may identify the responsible agent by patch testing.
lesions on the skin where the poison would have contacted, usually hairless areas
a type IV or delayed- hypersensitivity reaction resulting from contact with a chemical allergen (e.g., poison ivy, certain components of patient care gloves), generally localized to the contact area. Reactions occur slowly over 12-48 hours.
the itchy, red, blistered reaction that almost everyone experiences after touching a plant in the "rhus" family—poison ivy, poison oak or poison sumac.
type of skin hypersensitivity. Its onset may be delayed by several days to as much as several years, for weaker sensitizers. Once sensitized, fresh exposure to the sensitizing material can trigger itching and dermatitis within a few hours.
A type of rash caused by an allergic reaction to certain substances that come in contact with the skin.