A Confounding Case of Inherited Factor V Deficiency Complicated by Inhibitors at First Presentation.

Introduction: Inherited factor V deficiency / Owren's disease has varied clinical manifestations ranging from asymptomatic laboratory abnormalities to massive hemorrhage. The acquired form due to inhibitors following antibiotic therapy, infection, or surgery is less common, and spontaneous development of inhibitors is not known.

Case Report: An 18-year-old boy presented with bleeding axillary and groin ulcers.