PMID: 16638369Apr 28, 2006Paper

Pityriasis rosea-like adverse reaction: review of the literature and experience of an Italian drug-surveillance center

Dermatology Online Journal
Laura AtzoriNicola Aste

Abstract

Pityriasis rosea is a common, acute eruption of uncertain etiology. A rash very similar to this idiopathic disease is also attributed to several drugs, and recovery, which depends on withdrawal of the responsible drug, can be delayed by its late identification. A prospective study to record all cases of adverse cutaneous reactions presenting with pityriasis rosea like manifestations was conducted at the center for drug-surveillance of the dermatology department of Cagliari University. We developed an intensive surveillance program from June 2002 to May 2005, adopting the WHO Collaborating center for Drug Monitoring causality assessment criteria and algorithm. Eight cases, six male and two female, were studied in a 3-year period. None had previously suffered from drug intolerance or allergy. Clinical manifestations were very similar to pityriasis rosea. Responsible drugs were mainly angiotensin-converting enzyme inhibitors, alone or in combination with hydrochlorothiazide, followed by one case each for hydrochlorothiazide plus sartan, allopurinol, nimesulide, acetyl salicylic acid. Recovery was obtained in all cases with drug withdrawal. Final causality assessment was probable for all eruptions. Frequency of drug pityriasis rose...Continue Reading

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