PMID: 8952665Oct 26, 1996Paper

Cutaneous reactions to gold salts

La Presse médicale
J M Bonnetblanc

Abstract

Gold salts are used for rheumatoid arthritis, and also in resistant corticosteroid dermatoses such as pemphigus. Gold salts inhibit the expression of endothelial cell adhesion molecules, but activity varies from one molecule to another; thiomalate alone gives the same effect. Patients given gold salts have as high risk of cutaneous reactions, and a provisional diagnosis of "gold dermatisis" is insufficient. The mechanisms of cutaneous reactions are unknown and vary according to the molecules. Smokers, HLA Bw35 patients and perhaps atopic states are more prone to gold drug reaction. Inflammation at the site of injections is frequent but with no consequence. Accumulation (chrysiasis) may be observed with long-term treatment. The main problem is its diagnosis as it may mimic numerous dermatoses. Immunological adverse events are the most frequently encountered. Pruritus is frequently observed, more often with oral salts. Exanthemas are common and may disclose an associated visceral disease. Drug hypersensitivity is rare, but severe. All these types necessitate drug interruption although prescription has been continued after development of pityriasis rosea-like and eczematous eruptions in some series without worsening. Lichenoid eru...Continue Reading

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