Types of Bleeding

Mild hemophilia B. 6% up to 49% of FIX in the blood. People with mild hemophilia B typically experience bleeding only after serious injury, trauma or surgery. In many cases, mild hemophilia is not diagnosed until an injury, surgery or tooth extraction results in prolonged bleeding.

Other Factor Deficiencies In the US, a rare disease or disorder is defined as one that affects fewer than 200,000 people, making hemophilia A and B, and still less prevalent factor deficiencies such as I, II, V, VII, X, XI, XII and XIII, rare disorders.

Von Willebrand disease is a bleeding disorder. It’s caused by a deficiency of von Willebrand factor (VWF). This is a type of protein that helps your blood to clot. Von Willebrand is different from hemophilia, another type of bleeding disorder. Bleeding happens when one of your blood vessels breaks.