What is HemophiliaBlood Clotting Disorder
Types of Hemophilia
Hemophilia AAlso known as Classical Hemophilia or Factor VIII Deficiency, is the most common form of Hemophilia, comprising of about 80% of all individuals with Hemophilia. Hemophilia A is caused by a deficiency of a clotting protein called factor VIII.
Hemophilia BAlso known as Christmas Disease or Factor IX Deficiency, is the second most common form of Hemophilia affecting the majority of the remaining 20% individuals with Hemophilia. Hemophilia B is caused by a deficiency of a clotting protein called factor IX.
Other Types of Hemophilia or even multiple clotting factor deficiencies do exist but are rare.
There are also other bleeding disorders that may produce symptoms similar to Hemophilia. Probably the most common inherited bleeding disorder, estimated to affect up to three percent of the population, is von Willebrand Disease, which is caused by a deficiency of a blood protein by the same name.