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n. pl. pho·to·sen·si·tiv·i·ties
1. Sensitivity or responsiveness to light.
2. Medicine An abnormally heightened response, especially of the skin, to sunlight or ultraviolet radiation, caused by certain disorders or chemicals and characterized by a toxic or allergic reaction.


(ˌfoʊ təˌsɛn sɪˈtɪv ɪ ti)

1. the quality of being photosensitive.
2. abnormal sensitivity of the skin to ultraviolet light, usu. following exposure to certain drugs or chemicals.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.photosensitivity - sensitivity to the action of radiant energy
sensitivity, sensitiveness, sensibility - (physiology) responsiveness to external stimuli; the faculty of sensation; "sensitivity to pain"


[ˌfəʊtəʊsensɪˈtɪvɪtɪ] Nfotosensibilidad f


n fotosensibilidad f
References in periodicals archive ?
Drug-induced photosensitivity reactions can be mimicked by polymorphous light eruption, chronic actinic dermatitis, pellagra and rarely by porphyria cutanea tarda and lupus erythematosus.
Among the medications associated with photosensitivity are antibiotics, including tetracycline; antihistamines, which are used in cold and allergy medicine; birth control pills; and oral diabetes drugs.
Other features include hair loss, photosensitivity and mouth ulcers.
The polytomous logistic regression was used to estimate the magnitude of the associations among study groups (RP+ ACL+, RP+ACL-, RP- ACL+, RP- ACL-) and clinical characteristics such as photosensitivity, oral ulcers, leucopenia, migraines, and thrombotic complications with RP- ACL- as the reference group.
Before jetting Down Under, he answered an insurance questionnaire in which he claimed to suffer from vertigo, nausea, hypertension, scalp tenderness, insomnia, dysphoria (a constant feeling of unease), photosensitivity plus recurrent vomiting, anorexia and shingles.
The Commission insists the cosmetics industry has pledged to provide information to consumers on the quantitative and qualitative composition of cosmetic products imported and marketed in the EU, as well as on undesirable effects, notably irritant and allergic effects, cosmetic acne, phototoxic effects, photosensitivity, anaphylactic shock and itching.
Such effects would include irritant and allergic effects, cosmetic acne, phototoxic effects, photosensitivity, anaphylactic shock and itching but would not include effects resulting from abuse or misuse of the product or which are related to associated items such as packaging.
This image sensor uses the company's Pixelux technology, which uses dark current pinned photodiodes and a four-transistor (4T) shared pixel structure to enable the manufacture of CMOS image sensors that approach the size of today's smallest CCD pixels, while providing improved photosensitivity and lower noise.
When Professor Graham Harding, based at Aston University and the world's leading expert in photosensitivity, drew up those initial guidelines, he predicted the rapid spread of visual media in people's homes would lead to more reported cases.
Alfafa may also theoretically cause photosensitivity.
There was a case of doxycycline-associated photosensitivity in a woman who did not apply sunscreen.
Porphyria is a relatively rare inborn or acquired group of diseases for which symptoms include chest, abdominal and muscle pain, nausea, skin blisters and itching, and photosensitivity.