An increased sensitivity of the skin to light. Photosensitivity may result in a rash upon exposure to the sun (which is known as photodermatosis). Photosensitivity can be diagnosed by phototests in which light is shone on small areas of skin.
Synonyms:
exact_synonym:
Photosensitive skin; Photosensitive skin rashes; Photosensitivity; Sensitivity to sunlight; Skin photosensitivity; Sun sensitivity