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Hemophilia B

Alternative Names: Christmas disease; Factor IX hemophilia Symptoms: Nosebleeds Bruising Spontaneous bleeding Bleeding into joints and associated pain and swelling Gastrointestinal tract and urinary tract hemorrhage Blood in the urine or stool Prolonged bleeding from cuts, tooth extraction, and surgery Excessive bleeding following circumcision Signs and tests: Coagulation studies involving many tests are performed if the person tested is the first one in the family to have a bleeding disorder. Once the defect has been identified, other family members will need less testing to diagnose the disorder. Text Continues Below PTT is prolonged. Prothrombin time is normal. Bleeding time is normal. Fibrinogen level is normal. Serum factor IX is reduced.

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