Diseases
hemophilia b
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Overview
Hemophilia B is a hereditary bleeding disorder caused by a lack of blood clotting factor IX. Without enough factor IX, the blood cannot clot properly to control bleeding
Symptoms
- unexplained and excessive bleeding from cuts or injuries
- many large or deep bruises
- unusual bleeding after vaccinations
- blood in your urine or stool
- pain, swelling or tightness in your joints
Causes
- hemophilia is usually inherited, meaning a person is born with the disorder (congenital). congenital hemophilia is classified by the type of clotting factor that's low.
- some people develop hemophilia with no family history of the disorder. this is called acquired hemophilia.
Risk factors
- the biggest risk factor for hemophilia is to have family members who also have..
- .. the disorder. males are much more likely to have hemophilia than are females.
Diagnosis
- medical history.
- clotting-factor tests
Medicines used
Frequently asked questions
What is hemophilia b?
Hemophilia B is a hereditary bleeding disorder caused by a lack of blood clotting factor IX. Without enough factor IX, the blood cannot clot properly to control bleeding
What are the symptoms of hemophilia b?
unexplained and excessive bleeding from cuts or injuries, many large or deep bruises, unusual bleeding after vaccinations, blood in your urine or stool, pain, swelling or tightness in your joints
What causes hemophilia b?
hemophilia is usually inherited, meaning a person is born with the disorder (congenital). congenital hemophilia is classified by the type of clotting factor that's low.; some people develop hemophilia with no family history of the disorder. this is called acquired hemophilia.
Which medicines are used for hemophilia b?
Factor VIIa recombinant, factor ix
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