Home > Clotting Factor Replacement for Hemophilia
Hemophilia can be treated by replacing missing blood clotting factors. This is called clotting factor replacement therapy. Clotting factors are replaced by injecting (infusing)
a clotting factor concentrate into a vein. Infusions of clotting factors
help blood to clot normally.
Clotting factor replacement therapy can treat bleeding episodes or prevent bleeding. It can prevent severe blood loss and complications from bleeding such as damage to muscle, joints, and organs.
Clotting factor concentrate can be given in a hospital. You can also give it to yourself or to your child at home. It is easily
stored. You can carry factor concentrate with you.
Adults and parents of children who have hemophilia
can learn to inject replacement
clotting factors. Children may also be taught to
infuse themselves with clotting factors at about age 10. Younger children and those
who have developed antibodies (inhibitors) may not be able to infuse
If you are considering regularly scheduled clotting factor treatments, talk with your doctor. Together you can discuss the medical information and your personal preferences. Then you can decide what is right for you.
To make your decision, consider:
If you give yourself (infuse) factor
concentrate on a regular basis, you can prevent some bleeds from happening.
If you infuse soon after a bleed begins, you can stop the bleed before it gets
bad. You might need further medical care. So work with your doctor to make a plan for what to do if you or your child has a bleed.
Control bleeding. Clotting factors can treat bleeding episodes. They are given as soon as possible after a bleed begins.
Prevent bleeding. Clotting factors can be given just before a procedure or surgery to prevent bleeding. You can also give yourself clotting factors just before you do
an activity that might cause a bleed. Some people give themselves clotting factors on a regular schedule, such as 3 times a week, to prevent bleeding. This is called prophylactic therapy.
If you have a bleed, the infusion of clotting factors stops
bleeding within hours, although the exact amount of time varies. Heavy bleeding
takes longer to control than light bleeding. If the proper amount of clotting factors is given, bleeding will stop normally.
Clotting factors can prevent bleeding when they are given before a procedure, surgery, or an activity that has a high risk of causing a bleeding problem.
If you get clotting factors on a regular schedule to prevent bleeding, you likely will have fewer bleeding episodes. You might also have a lower risk of problems linked to bleeding. These problems include long-term damage
from repeated bleeding into your muscles or joints.
Inhibitors. Some people develop antibodies to the injected clotting factors. These antibodies are called
inhibitors. If you develop inhibitors, the
usual forms of clotting factors may not effectively prevent or stop
bleeding. Children are more likely to develop inhibitors than adults.
For more information about inhibitors, see Hemophilia: Treatment for People Who Have Inhibitors.
Viral infection. The risk of getting a viral infection from plasma factor concentrates is very low. These products are processed to kill viruses. The products are also tested to make sure they do not contain viruses. There is almost no risk of an infection from a recombinant clotting factor.
If you are considering regularly scheduled clotting factor treatments, talk with your doctor.
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ByHealthwise StaffPrimary Medical ReviewerE. Gregory Thompson, MD - Internal MedicineKathleen Romito, MD - Family MedicineAdam Husney, MD - Family MedicineMartin J. Gabica, MD - Family MedicineSpecialist Medical ReviewerBrian Leber, MDCM, FRCPC - Hematology
Current as ofOctober 13, 2016
Current as of:
October 13, 2016
E. Gregory Thompson, MD - Internal Medicine & Kathleen Romito, MD - Family Medicine & Adam Husney, MD - Family Medicine & Martin J. Gabica, MD - Family Medicine & Brian Leber, MDCM, FRCPC - Hematology
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