Deficiency (Xu)
虚xū · Pathology / Patterns
Deficiency denotes an insufficiency of the body's Vital Substances or Organ functions, such as deficiency of Qi, Blood, Yin, or Yang. It generally produces weak, chronic conditions with signs like fatigue, pallor, and symptoms that improve with rest or pressure.
For education only — not medical advice. Consult a qualified practitioner.