Acquired Hemophilia A: A Rare but Potentially Fatal Bleeding Disorder.

Acquired hemophilia A is a disorder of rare entity, resulting in spontaneous bleeding in individuals with no history of bleeding disorders. It is believed to be caused by spontaneous inhibition of clotting factor VIII by autoantibodies, and is usually associated with other autoimmune conditions. The hallmark of this condition is mucocutaneous bleeding leading to ecchymosis, melena, hematoma or hematuria.