Hemophilia B

Also known as: Christmas disease, factor IX deficiency, FIX deficiency, clotting factor deficiency.

What is hemophilia B?

Hemophilia is a disease in which the blood is missing a component that makes it clot properly. The result is that the individual with hemophilia can bleed easily, bleed excessively or not stop bleeding once they start, among other problems. In the case of hemophilia B, the blood is deficient in factor IX.

What causes hemophilia B?

Most people inherit hemophilia from one of their mother’s. In some children, though, the disease is not inherited and develops through a genetic mutation.

What are the symptoms of hemophilia B?

The primary symptoms of hemophilia include easy bruising and bleeding, excessive bleeding or the inability to stop bleeding after an injury.

What are hemophilia B care options?

Comprehensive care at a Hemophilia treatment center is the standard of care for individuals with Hemophilia B. A hematologist will likely prescribe factor replacement products depending on the individual’s severity. Patients with Hemophilia B can enjoy an active lifestyle with the guidance of a hematologist.

Reviewed by: Guillermo R De Angulo, MD

This page was last updated on: April 14, 2022 11:07 AM