photoallergy


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photoallergy

 [fo″to-al´er-je]
a delayed immunologic type of photosensitivity involving both a chemical substance to which the individual has become previously sensitized and radiant energy.

pho·to·sen·si·ti·za·tion

(fō'tō-sen-si-ti-zā'shŭn),
1. Sensitization of the skin to light, usually due to the action of certain drugs, plants, or other substances; may occur shortly after administration of the drug (phototoxic sensitivity), or may occur only after a latent period of from days to months (photoallergic sensitivity, or photoallergy).

photoallergy

/pho·to·al·ler·gy/ (-al´er-je) a delayed immunologic type of photosensitivity involving a chemical substance to which the individual has previously become sensitized, combined with radiant energy.photoaller´gic

photoallergy

[-al′ərjē]
Etymology: Gk, phos, light, allos, other + ergein, to work
a sensitivity to light that causes allergic reactions.

photoallergy

a hypersensitivity that develops against the photoproduct of an exogenous chemical.
References in periodicals archive ?
The phototoxic and photoallergy potential of clindamycin phosphate 1.
Phototoxicity can occur in anyone who has been exposed to photosensitizing drugs and light exposure, but photoallergy is limited to individuals who have been sensitized to a substance that is activated by light, Dr.
And photoallergy test checks for the possibility of induced allergic reaction of a product with sunscreen exposed to sunlight as it would be used by the consumer.
The following commonly used drugs have been implicated in causing phototoxicity and photoallergy when used in conjunction with sunlight exposure:
Charles River plans to further validate this platform technology for use in rapid molecular screening of new drugs, including those early in the development pipeline, as well as to test existing drugs in vitro for phototoxicity (sun-induced skin damage), photocarcinogenecity (skin cancer) and photoallergy (sun-induced skin allergies).
These light sources are used for clinical testing, SPF sunscreen testing, photobiology research, phototoxicity evaluations, photoallergy studies, material testing and UV curing.
MAJOR SERVICES: Because of our 55 years of testing personal care products, Hill Top has unparalleled experience in cosmetic, antiperspirant, deodorant, sunscreen, aging skin, odor and malodor, periodontology, gingivitis & plaque, teeth whitening & stain, skin feel, skin irritation, skin sensitization, photoirritation, photoallergy, exaggerated use, consumer use/preference and bioinstrumentation testing.