What is the difference between hemophilia A and hemophilia B

Haemophilia A is due to a lack of Factor VIII, Haemophilia B is due to a lack of Factor IX. Both are obviously still Haemophilia, with A being the more common one (around 1 in every 10,000), with B being around 1 in every 50,000.

http://answers.yahoo.com/question/index?qid=20100411214941AAWZmdW

There are two types of hemophilia: hemophilia A (sometimes called classical hemophilia) and hemophilia B (sometimes called Christmas disease). Both are caused by a low level or absence of one of the proteins in the blood (called factors) th…

http://www.wfh.org/2/1/1_1_1_FAQ.htm#difference

Hemophilia A is the result of a deficiency in clotting factor VIII, while hemophilia B is the result of a deficiency in clotting factor IX.

http://www.allaboutbleeding-us.com/hemophilia-a-questions.aspx

Related Questions Answered on Y!Answers

what is the difference between hemophilia A and hemophilia B?

Q:

A: Haemophilia A is due to a lack of Factor VIII, Haemophilia B is due to a lack of Factor IX.Both are obviously still Haemophilia, with A being the more common one (around 1 in every 10,000), with B being around 1 in every 50,000.

What is the difference between hemophila A and hemophilia B?

Q: Also what life-threatening problem did hemophiliacs encounter in the 1980’s when HIV was introduced into the country?

A: Well in short the difference between hemophilia A and B is:Hemophilia A also know as Factor 8 means that the person who has hemophilia is lacking the normal amount of working Factor 8.Hemophilia B means that the person with hemophilia B lacks the normal amount of working Factor 9. Both Factor 8 and 9 are key to a persons blood clotting. Also Factor 8 is much more common type of hemophilia.What life-threatening problem did hemophiliacs encounter in the 1980’s when HIV was introduced into the country?Well that question somewhat answers itself. During the early 1980s most thought that HIV was a simple put a “Gay Problem” thus HIV early name of “Gay Cancer”. The problem was that it was also could be transmitted by blood. At this time there was no testing for HIV in the blood supply. Many people with hemophilia got HIV this way. As did many other people who did not have hemophilia. However from a social point those with hemophilia were among the hardest if not hardest hit. I hope this answers your questions. If not feel free to contact me. Quick history below in the link under sources.

Question regarding hemophilia A and B?

Q: I know that Hemophilia A is the Factor VIII deficiency and that Hemophilia B is a Factor IX deficiency but other than that I am having trouble telling the two apart-what is the difference between the two? Thanks for any and all help!

A: When it comes to Hemophilia factor 8 or factor 9 just means that is the factor that the person with hemophilia is lacks or has below a normal amount. For example a person who has hemophilia factor 8 would be given factor 8 plasma to stop a bleed ( I am putting this in the simplest terms). It is important to note that factor 8 is FAR more common than factor 9.