The anti-malarial hydroxychloroquine (HCQ) is a common treatment for cicatricial alopecias (CA). Serious adverse events include prolonged QT interval, ventricular arrythmias and irreversible retinopathy. There limited literature on the incidence of in CA patients taking HCQ. A retrospective analysis was performed 60 patients, mean age years, prescribed Alopecia diagnoses included lichen planopi...