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Factor V
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Factor V or Leiden or Activated Protein C Resistance (APCR). Caused by gene variation. Symptom onset typically between 31 and 44. Although an individual may have the normal amount of Protein C, the factor V does not use it properly.

  • Recognized as an illness in 1993
  • For further information, click


  • Venous thrombosis (Blood clots, especially with oral contraceptives)
  • DVT (Deep vein thrombosis - blood clots in veins)
  • Unexplained miscarriage
  • Blood clots in the lungs (or anywhere else)
  • Gall bladder dysfunction
  • Preeclampsia and/or eclapsia (toxemia while pregnant)
  • Stroke and/or Heart Attack.




Original 2001 WebSite as PDF for download

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