Results 131 to 140 of about 825 (157)
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Phototoxicity, Photoallergy, and Photoskin Tests
Archives of Dermatology, 1959Heat, cold, trauma, and light are the physical agents concerned in the production of physical hypersensitivity. Physical hypersensitivity to light is the most important and the most common of the dermatoses caused by these physical agents. Light is the etiologic agent in polymorphic light eruptions, solar urticaria, contact photodermatitis, and ...
William L. Curwen, Otis F. Jillson
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Phototoxicity and photoallergy in man
Journal of the American Academy of Dermatology, 1983Photosensitivity is the broad term used to denote adverse reactions to the sun. These reactions may be phototoxic or photoallergic. Phototoxic reactions are much more common than photoallergic reactions. Phototoxic reactions may be photodynamic or nonphotodynamic in nature, the primary difference being that photodynamic reactions require oxygen ...
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PHOTOCHEMICAL TRANSFORMATIONS IN SALICYLANILIDE PHOTOALLERGY
Photochemistry and Photobiology, 1988Abstract—The photochemical transformations of 3,3′,4′,5‐tetrachlorosalicylanilide, have been characterized by isolation and spectroscopic determination of the primary and secondary photoproducts. The photoreactivity cleanly involves photochemical dechlorination; three chlorines are ultimately lost in an efficient stepwise fashion.
Jennie L. Wells +2 more
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Cellular Reactions in Contact Photoallergy
International Archives of Allergy and Immunology, 1971The nature of the cellular reactions underlying contact photoallergy to a salicylanilide compound has been examined. The typical dermal mononuclear cell infiltrate in positive photopatch tests has been shown to consist of cells staining negatively for lysosomal hydrolytic enzymes.
W.M. Sams, P.S. Herman
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Photoallergy to Sandalwood Oil
Archives of Dermatology, 1967A case of photocontact dermatitis to commercial sandalwood oil, an ingredient in many men's toiletries, is described. Patient reacted on skin testing to a broad spectrum of ultraviolet light. Dermatitis was persistent in spite of the absence of the original sensitizer and minimal erythemal dose was lowered, as in other "persistent light reactors."
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Prolonged Photosensitivity following Contact Photoallergy to Ketoprofen
Dermatology, 2000We report the third case of prolonged photosensitivity secondary to contact photoallergy to topical ketoprofen, a 2-arylpropionic acid derivative. The patient suffered from persistent photosensitivity for more than 1 year after the withdrawal of ketoprofen with recurrent eruptions on sun-exposed skin areas.
Brigitte Albes +5 more
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In vitro-Untersuchungen zur Chlorpromazine (CPZ)-Photoallergie
Archiv f�r Klinische und Experimentelle Dermatologie, 1970Chlorpromazin (CPZ) bildet unter Aufnahme von Lichtquanten Radikale, die zu einer zunachst reversiblen, spater stabilen Dimersierung fuhren. Im radikalen Zustand vermag sich CPZ mit biologischen Substraten zu koppeln. Die Bindung mit Proteinen bildet die Grundlage zur Photoallergie, diejenige mit RNS zur phototoxischen Wirkung und diejenige mit ...
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Induction of eosinophil-infiltrating drug photoallergy in mice
Journal of Dermatological Science, 2009Drug photoallergy is one of the highly incident adverse effects. Several different histological patterns have been recognized.To establish a murine model of the eosinophil-infiltrating type of drug photoallergy by using afloqualone (AQ), a representative photosensitive drug.AKR/J mice were sensitized by intraperitoneal injection of afloqualone solution
Daisuke Nishio +4 more
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Contact photoallergy testing of sunscreens in guinea pigs
Contact Dermatitis, 1989The potential of 3 sunscreens (p‐aminobenzoic acid, 4‐isopropyldibenzoylmethane and homosalate) and 2 known human photoallergens (musk ambrette and tetrachlorosalicylanilide) to cause photoallergy, phototoxicity, and/or contact sensitization was determined using a guinea pig photoallergy model, as previously described by Harber and associates.
Cindy A. Ryan, G. F. Gerberick
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Dermatologic Clinics, 1986
Over the past several years, the exponential growth in the use of topical and systemic medications and drugs has been accompanied by a concomitant increase in the incidence of adverse reactions associated with them. One type of reaction that has been of particular interest to dermatologists has been the development of immunologic photosensitivity to ...
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Over the past several years, the exponential growth in the use of topical and systemic medications and drugs has been accompanied by a concomitant increase in the incidence of adverse reactions associated with them. One type of reaction that has been of particular interest to dermatologists has been the development of immunologic photosensitivity to ...
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