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A Novel Association Between Loop Diuretic Therapy and Repigmentation in Two Patients With Vitiligo
Mary Arndt1, Rachel Sennett2, Amanda Marsch2
1Department of Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, USA.
Abstract:
Two patients with longstanding vitiligo presented with repigmentation in sun-exposed areas as a previously unreported phenomenon coinciding with initiating loop diuretic therapy. Loop diuretics antagonize Na-K-Cl cotransporters and have been associated with a variety of cutaneous adverse effects, such as bullous pemphigoid and photosensitivity, but have yet to be cited as drugs associated with vitiligo repigmentation. This report explores the direct and indirect influence loop diuretics may have on inducing pigmentation changes.
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