acquired hemophilia acquired hemophilia A https://www.malacards.org/card/acquired_hemophilia_a GARD:0006405 UMLS:C0272325 NCIT:C35345 An acquired form of hemophilia A, 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. MONDO:0035735 AHA MEDGEN:124426 MESH:C536392 Orphanet:599480