Skin allergies (referred to as contact dermatitis clinically) are generally a type IV hypersensitivity, also known as T cell-mediated hypersensitivity or delayed-type hypersensitivity. It takes 48-72 hours for the TH1 cells to get to the site of exposure to the allergen. The molecules that cause contact dermatitis are called haptens. Some haptens can be oxidized … Continue reading Type IV Hypersensitivity: Atopic Dermatitis
Tag: Helper T Cell
Allergic Skin Inflammations
Skin allergies, also called contact dermatitis, are generally a type IV hypersensitivity. Contact dermatitis may take up to two weeks to appear depending on what has entered the body. The substances that cause contact dermatitis are called haptens (examples are fragrance, dyes, nickel, and the molecules found in poison ivy). An example of a skin … Continue reading Allergic Skin Inflammations
A More In-depth View Of Airway Allergies
An allergen is an antigen that one has an allergic reaction to from outside of the body that one breathes in, eats, or touches. Some examples of allergens that can be breathed/ taken in are foods, mold, pollen, dander, etc. There are two steps to an allergic reaction, sensitization (the first exposure) and subsequent exposure. … Continue reading A More In-depth View Of Airway Allergies
Allergies in The Airways
An allergen is a foreign substance that one has an allergic reaction to. Allergens come from outside of the body: you can breathe them in, touch them, or eat them. Some examples of allergens are foods, mold, pollen, dander, etc. There are two major phases to an allergic reaction. The first phase, initial exposure, also … Continue reading Allergies in The Airways
Airway And Skin Allergies 