Pathologic Function
cutaneous photosensitivity
[ kyoo-tey-nee-uhs foh-tuh-sen-si-tiv-i-tee ]
Definitions related to photosensitivity of skin:
  • (skin photosensitivity) Increased sensitivity of the skin to light exposure.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (skin photosensitivity) Increased skin reactivity to light exposure.
    NICHD Pediatric Terminology
    U.S. National Cancer Institute, 2021
  • (cutaneous photosensitivity) 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.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2021
  • (photosensitivity) A disorder characterized by an increase in sensitivity of the skin to light.
    Common Terminology Criteria for Adverse Events
    U.S. National Institutes of Health, 2021
  • Photosensitivity is a cutaneous overreaction to sunlight. It may be idiopathic or occur after exposure to certain toxic or allergenic drugs or chemicals, and it is sometimes a feature of systemic disorders (eg, systemic lupus erythematosus, porphyria, pellagra, xeroderma pigmentosum). Diagnosis is clinical. Treatment varies by type.
    Merck Manuals
    Merck & Co., Inc., 2020
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.