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. 2002 Dec;147(6):1142-6.
doi: 10.1046/j.1365-2133.2002.04897.x.

Diffuse inflammatory lesions in patients treated with interferon alfa and ribavirin for hepatitis C: a series of 20 patients

O Dereure  1 , N Raison-Peyron, D Larrey, F Blanc, J-J Guilhou
Affiliations

Diffuse inflammatory lesions in patients treated with interferon alfa and ribavirin for hepatitis C: a series of 20 patients

O Dereure et al. Br J Dermatol. 2002 Dec.

Abstract

Background: Cutaneous side-effects of treatment with interferon alfa or interferon alfa plus ribavirin in patients with hepatitis C have already been reported but they are mostly local with inflammation and, much less frequently, necrosis at the injection points. By contrast, very few data are available with regard to distant skin reactions, particularly inflammatory lesions on other parts of the body.

Objectives: To assess the clinical and histological pattern of inflammatory skin lesions outside the injection points in patients treated with interferon alfa and ribavirin for chronic hepatitis C.

Methods: Twenty patients attending a University Hospital in Southern France (secondary referral centre) were evaluated regard to clinical history, type and localization of lesions, progression and histology. Skin testing was performed in some patients and the relevance of the results was evaluated.

Results: Eczema-like skin lesions were mainly distributed on the extremities, sometimes associated with photosensitivity. They usually occurred between 2 and 4 months of treatment. Histology was nonspecific, with a dermal, mainly perivascular, mononuclear infiltrate. Skin testing was poorly informative and was not predictive of relapse. Treatment had to be interrupted in half the patients, of whom two of three relapsed on resuming therapy.

Conclusions: The incidence of inflammatory skin lesions at a distance from injection sites in patients treated with interferon alfa and ribavirin for chronic hepatitis C is currently unknown, but this adverse event must be taken into consideration as it may lead to the transient or definitive interruption of treatment.

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