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Medical Term:


Pronunciation: fō′tō-sen-si-ti-zā′shŭn

Definition: 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).

Synonym(s): photodynamic sensitization