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Allergic Skin Disorders

Picture of Phototoxic Dermatitides

Picture of Phototoxic Dermatitides

Phototoxic dermatitides (dermatitis) is an inflammatory skin rash that mostly resembles a bad sunburn. It is caused by a reaction between certain topical agents and the sun. These chemicals include some cosmetics, sunscreens, fragrances, air pollutants, coal tar products, insecticides, and disinfectants.

Image Source: Color Atlas of Pediatric Dermatology Samuel Weinberg, Neil S. Prose, Leonard Kristal Copyright 2008, 1998, 1990, 1975, by the McGraw-Hill Companies, Inc. All rights reserved.

Text References: Collegium Anthropologicum, vol. 31, 2007: "Phototoxic and Photoallergic Skin Reactions"

Skin Cancer Foundation: "Phototoxic Reactions versus Photoallergic Reactions"