Pigmented Lichenoid Drug Eruption Secondary To Chloroquine Therapy: An Unusual Presentation In Lower Lip.

Abstract Antimalarial drugs, like chloroquine, may produce hyperpigmentation of the oral mucosa, affecting most commonly the palate. Its pathogenesis is not clear; an increased production of melanin is currently believed to be the cause of this oral manifestation. The purpose of this study was to report a case of atypical oral mucosal hyperpigmentation secondary to antimalarial therapy. A 66-year-old, dark skinned Leia mais