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X-Linked Thrombophilia Due to Factor IX Defect
A thrombophilia characterized by normal levels of F9 antigen, but very high levels of F9 activity that is caused by hemizygous gain of function mutation in F9 on chromosome Xq27.1.
This information is for educational purposes only and is not medical advice. Always consult your healthcare provider about your specific condition and treatment.
When to seek help
Seek medical help right away if you have severe, sudden, or worsening symptoms, trouble breathing, chest pain, or any symptom that feels life-threatening. This community is for peer support and education only and is not a substitute for professional medical advice.
If you are experiencing a medical emergency, contact your local emergency services immediately.
Overview
A thrombophilia characterized by normal levels of F9 antigen, but very high levels of F9 activity that is caused by hemizygous gain of function mutation in F9 on chromosome Xq27.1.
Resources
Join the X-Linked Thrombophilia Due to Factor IX Defect community
Talk with people who understand, share what helps, and find support from others living with x-linked thrombophilia due to factor ix defect. Private, moderated, and free.
Posts in this community reflect personal experiences, not medical advice. Always talk to your doctor before changing your treatment.