Thank you for visiting The nurse is teaching a client about contact dermatitis What type of contact dermatitis requires light exposure in addition to allergen contact. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
Final answer:
Photo-contact dermatitis is the type of contact dermatitis that requires light exposure in addition to allergen contact. It occurs when an allergen contacts the skin, which is then exposed to sunlight, causing an inflammatory reaction. It is common in people sensitive to certain ingredients in sunscreens.
Explanation:
The type of contact dermatitis that requires light exposure is known as photo-contact dermatitis. This type of dermatitis occurs when a person comes into contact with a certain allergen and then exposes that area to light, primarily sunlight. This can lead to an inflammatory reaction which is a combination of contact dermatitis and sunburn.
Delayed hypersensitivity is a type IV hypersensitivity reaction, a cell-mediated immune response that takes approximately one to two days after secondary exposure for a maximal reaction to be observed. This involves the Tí1 cytokine-mediated inflammatory response and may cause local tissue lesions or contact dermatitis (rash or skin irritation).
Contact dermatitis can be caused by substances such as the metal nickel which causes a red and swollen area upon contact with the skin. The individual must have been previously sensitized to the metal. Another example of severe case is poison ivy. The harsh symptoms of the reaction are associated with the toxicity of its oils and are not T cell mediated.
Photo-contact dermatitis, a form of contact dermatitis, is especially common in people who have a sensitivity to certain ingredients in sunscreens.
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The kind of contact dermatitis known as photoallergic contact dermatitis necessitates exposure to light in addition to allergen interaction.
What kind of contact dermatitis necessitates light exposure in addition to allergen contact?
Sometimes people get photoallergic contact dermatitis. UV light may exacerbate allergic contact dermatitis, or patients may only experience an allergic reaction if a chemical is present on their skin and when their skin has had enough UV exposure (UV-A; 320-400 nm).
Which immunoglobulin subtype is most likely to be implicated in allergic reactions?
Antibodies called immunoglobulin E (IgE) are created by the immune system. Your immune system produces antibodies called Immunoglobulin E when you have an allergy because it overreacts to an allergen.
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