Hemophilia
Causes of Hemophilia
If you have inherited hemophilia, you’re born with the condition. It’s caused by a defect in one of the genes that determine how the body makes blood clotting factor VIII or IX. These genes are located on the X chromosomes (KRO-muh-somz). Chromosomes come in pairs. Females have two X chromosomes, while males have one... »
Signs and Symptoms of Hemophilia
The major signs and symptoms of hemophilia are excessive bleeding and easy bruising. Excessive Bleeding The extent of bleeding depends on the type and severity of the hemophilia. Children who have mild hemophilia may not have symptoms unless they have excessive bleeding from a dental procedure, an accident, or surgery. Males who have severe... »
Hemophilia Overview
Hemophilia (heem-o-FILL-ee-ah) is a rare bleeding disorder in which your blood doesn’t clot normally. If you have hemophilia, you may bleed for a longer time than others after an injury. You also may bleed internally, especially in your knees, ankles, and elbows. This bleeding can damage your organs or tissues and may be life... »