What is hemophilia A?

Also known as: classic hemophilia, factor VIII deficiency, FVIII deficiency, clotting factor deficiency.

Hemophilia is a disease in which the blood is missing a component that makes it clot properly. The result is that the individual with hemophilia can bleed easily, bleed excessively or not stop bleeding once they start. In the case of hemophilia A, or classic hemophilia, the blood is deficient in factor VIII.


Reviewed by: Guillermo R De Angulo, MD

This page was last updated on: 1/29/2019 3:21:13 PM

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