Definition: Dermatitis caused or elicited by exposure to sunlight; may be phototoxic or photoallergic, and can also result from topical application, ingestion, inhalation, or injection of mediating phototoxic or photoallergic material.
Synonym(s): actinic dermatitis
[photo- + G. derma, skin, + -itis, inflammation]
See Also: photosensitization
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Examples: glitazone, GI cocktail, etc.