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.
The relationship between cutaneous manifestations and systemic involvement indicated that there is an absolute association between malar rash and systemic involvement and a relative association between cutaneous manifestations like photosensitivity, vasculitis, oral ulcers and hair loss, and increased systemic involvement.
Erythropoietic protoporphyria (EPP), a rare inborn error of metabolism that usually manifests in early childhood as severe photosensitivity, causes excruciating pain 1-20 minutes after exposure to the sun.
There were cases of serious photosensitivity that required hospitalization, and the prescribing information recommends that patients use sun protection and limit sun exposure during treatment.
While pharmacists frequently counsel their patients about contraindications when filling prescriptions, those involved in the sun care category note that the potential for greater photosensitivity is also an area that should be discussed.
14 September 2010 - US-based biopharmaceutical company Icagen Inc (NASDAQ: ICGN) announced yesterday that due to the occurrence of a serious adverse event in the photosensitivity study of ICA-105665, it suspended further enrollment in the study.
If you are taking a medication that causes photosensitivity, it's best to avoid sun exposure when the sun's rays are strongest, typically between 10 a.m.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.