Factor – VIII test is nothing but examining the protein responsible for blood clot process. Clotting process means sealing the wounded area from excessive loss of blood. It involves platelets which is produced from liver. The blood clotting process is just like puzzle it is divided into Factor I – IX. Each protein must be placed in order to seal the blood. Important part of the clotting process is Factor VIII and IX. When these factors does not fill up the puzzle the bleeding will exceed. The Factor VIII test is required when following symptoms noticed excessive nosebleed, Easy bruising (Hemophilia), Dental procedure when ends up with excessive bleeding, blood discharge while urination, bleeding gums, and joint pains.