Topical Minocycline Induced Bluish Black Hyperpigmentation in Acne Vulgaris Patient: The First Case Report of Topical Application

Abstract

Minocycline induced hyperpigmentation is an aesthetically unsetting adverse drug event. Oral minocycline inducing hyperpigmentation is common course, keeping in line with this topical minocycline 4% was formulated. A moderately built woman diagnosed with acne was prescribed with topical minocycline 4% Gel and after 15 days of application she noticed dark patches on applied areas which progressed into macules. On examination, it was found that the topical minocycline has induced Type I (Bluish Black) Hyperpigmentation. To the best of clinician’s knowledge, the drug was withdrawn and observed over a period of month. Post-withdrawal for 30-days the skin started to regain its original tone. Regardless of the fact that the topical formulation has been designed to reduce the drug contact with the systemic circulation and to decrease the side-effects, will the formulation succeed in providing the effective and safe therapy in acne patients? Keywords: Topical Minocycline 4%, Hyperpigmentation, Type I, Bluish Black Pigmentation, Acne Vulgaris