adjective Date: 1942 1. rendering the skin susceptible to damage (as sunburn or blisters) upon exposure to light and especially ultraviolet light <
phototoxic antibiotics
2. induced by a phototoxic substance • phototoxicity noun

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • phototoxic — Relating to, characterized by, or causing phototoxicity. * * * pho·to·tox·ic .fōt ō täk sik adj 1) rendering the skin susceptible to damage (as sunburn or blisters) upon exposure to light and esp. ultraviolet light <phototoxic antibiotics>… …   Medical dictionary

  • phototoxic — pho·to·tox·ic (fō tō tŏkʹsĭk) adj. Rendering the skin susceptible to damage by light. Used of certain medications and cosmetics.   pho to·tox·icʹi·ty ( tŏk sĭsʹĭ tē) n. * * * …   Universalium

  • phototoxic — adjective (of a medicine or cosmetic) causing damage to the skin when exposed to light …   Wiktionary

  • phototoxic — pho·to·toxic …   English syllables

  • phototoxic — …   Useful english dictionary

  • phototoxic dermatitis — a type of actinic dermatitis in which there is an exaggerated sunburnlike reaction on light exposed areas of the skin, sometimes with blistering, hyperpigmentation, and desquamation; it is the cutaneous manifestation of phototoxicity. Called also …   Medical dictionary

  • Phototoxicity — is a phenomenon known in live cell, where illuminating a fluorescent molecule (the fluorescently active site is called a fluorophore) causes the selective death of the cells expressing it. In fluorescence microscopyWhile not completely understood …   Wikipedia

  • Contact dermatitis — Classification and external resources Rash resulting from skin reactions. ICD 10 L …   Wikipedia

  • photodermatitis — Dermatitis caused or elicited by exposure to sunlight; may be phototoxic or photoallergic, and can result from topical application, ingestion, inhalation, or injection of mediating phototoxic or photoallergic material. SEE ALSO:… …   Medical dictionary

  • phototoxicity — The condition resulting from an overexposure to ultraviolet light, or from the combination of exposure to certain wavelengths of light and a phototoxic substance. SEE ALSO: photosensitization. [photo + G. toxikon, poison] * * * n …   Medical dictionary

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