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Photoallergy

Definition of the noun Photoallergy

What does Photoallergy mean as a name of something?

noun

  1. An allergy that is activated by light

Explanation

  1. Photoallergy a.k.a. Photodermatitis, sometimes referred to as sun poisoning or photoallergy, is a form of allergic contact dermatitis in which the allergen must be activated by light to sensitize the allergic response, and to cause a rash or other systemic effects on subsequent exposure. The second and subsequent exposures produce photoallergic skin conditions which are often eczematous.
  2. Photoallergy is a form of allergic contact dermatitis in which the allergen must be activated by light to sensitize the allergic response, and to cause a rash or other systemic effects on subsequent exposure. The second and subsequent exposures produce photoallergic skin conditions which are often eczematous.

Printed dictionaries and other books with definitions for Photoallergy

Click on a title to look inside that book (if available):

Google previewAtlas of Immunology, Second Edition (2003)

by Julius M. Cruse, MD, PhD, Robert E. Lewis

Photoallergy is an anaphylactoid reaction induced by exposing an ...

Google previewDermal Absorption and Toxicity Assessment, Second Edition (2007)

by Michael S. Roberts

Photoallergy is an acquired altered reactivity of the skin to light in the presence of a photoreactive chemical or photosensitizer (1). Photosensitizers are chemicals that react chemically with the skin on the absorption of light of the wavelengths ...

Google previewIllustrated Encyclopedia of Dermatology (2012)

by Lionel Fry, Fenella Wojnarowska, Parvin Shahrad

Photoallergy This is a much rarer idiosyncratic ...

Google previewDictionary of Toxicology (2014)

by Ernest Hodgson, Michael Roe

photoallergy test See: phototoxicity tests. photochemical smog See: smog. phototoxicity tests Tests that evaluate the combined dermal effects of light (primarily ultraviolet) and the test chemical. Tests are used for both ...

Google previewThe Encyclopedia of Skin and Skin Disorders, Third Edition (2009)

by Carol Turkington, Jeffrey S. Dover

photoallergy 277 petroleum jelly An inexpensive oily substance also known as petrolatum used in products to treat chapped, dry, or raw skin. Derived from petroleum, it is commonly used as an ointment base, a protective dressing or an ...

Google previewIllustrated Dictionary of Immunology, Second Edition (2002)

by Julius M. Cruse, Robert E. Lewis

photoallergy antiphospholipid antibody syndrome and systemic lupus erythematosus in addition to drug-induced disorders and infectious and neurological diseases. Phospholipid autoantibodies, a primary marker for antiphospholipid ...

Google previewMosby's Dictionary of Medicine, Nursing and Health Professions - Australian & New Zealand Edition (2014)

by Peter Harris, Sue Nagy, Nicholas Vardaxis

photoallergy photosensitive 48 hours after exposure to light in a previously sensitised person. The sensitising substance concentrates in the skin and requires chemical alteration by light to become an active antigen. Photosensitisers include ...

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Scrabble value of P3H4O1T1O1A1L1L1E1R1G2Y4

The value of this 12-letter word is 21 points, but it's not an accepted word in the Official Scrabble Players Dictionary.

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