Factor VIII deficiency

Haemophilia A (or hemophilia A) is a genetic deficiency in clotting factor VIII, which causes increased bleeding and usually affects males. In the majority of cases it is inherited as an X-linked recessive trait, though there are cases which arise from spontaneous mutations.Factor VIII medication may be used to treat and prevent bleeding in people with haemophilia A. Signs and symptoms In terms of the symptoms of haemophilia A, there are internal or external bleeding episodes. [Source: Wikipedia ]