Epidemiology and causes of drug hypersensitivity

Pascal Demoly Dr., Marinella Viola, Antonino Romano, Eva Rebelo Gomes

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Drug hypersensitivity reactions (DHRs) are the adverse ef-fects of drugs, taken at a dose which is tolerated by normal subjects, which clinically resemble allergy. There are few true epidemiological data on DHRs. The available informa-tion requires a cautious interpretation because the patho-genic mechanism has not been demonstrated by diagnos-tic tests. Both under-and over-diagnosis must be taken into account. DHRs may represent up to one third of adverse drug reactions, be life-threatening, require or prolong hos-pitalization, and entail changes in drug prescription. They concern more than 7% of the general population, and therefore are an important public health problem. A few risk factors have been pinpointed. Future progress in genetics, as well as well-designed epidemiological studies on hyper-sensitivity drug reactions, will be helpful in identifying pa-tients at risk of developing such reactions, in particular se-vere ones, and in implementing early preventive measures. This review describes current data on the incidence, preva-lence, mortality, and risk factors of these reactions.

Original languageEnglish
Title of host publicationDrug Hypersensitivity
PublisherS. Karger AG
Pages2-17
Number of pages16
ISBN (Print)9783805582698
DOIs
Publication statusPublished - May 31 2007

ASJC Scopus subject areas

  • Medicine(all)

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