Generalized Eczematous Skin Rash Possibly due to HMG-CoA Reductase Inhibitors

Abstract
We report on 3 patients who developed a generalized eczematous skin rash under treatment with simvastatin and pravastatin for hypercholesterolemia. These drugs are 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitors and suppress cholesterol synthesis in the liver. Based on experimental data from the literature that showed eczematous changes in mice treated topically with the HMG-CoA reductase inhibitor lovastatin, we suspect that the rash observed in our patients may be a consequence of skin barrier dysfunction following inhibition of cholesterol biosynthesis.

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