Isotretinoin-induced epistaxis among acne vulgaris patients: A cross sectional study from Saudi Arabia.

Objectives: To assess the prevalence and risk factors of isotretinoin-related epistaxis, among patients of acne vulgaris.

Methods: A retrospective cohort of 230 Saudi patients who received isotretinoin for treatment of acne vulgaris, was included in the study. An online questionnaire was used to collect data regarding demographics and treatment-related adverse events.