Pathology of the Spleen
Spleen not controlling Blood
Spleen not controlling Blood is a sub-pattern of Spleen Yang Deficiency. The Spleen's function to hold the Blood in the vessels is impaired. Bleeding occurs. Bleeding can also be caused by Heat in the Blood.

Cardinal symptoms Purpura, blood in the stool, blood in the urine, melena, menorrhagia, uterine bleeding (all symptoms only in combination with symptoms of Spleen Qi Deficiency or Spleen Yang Deficiency).
TCM Information Symptoms, causes, treatment tips, root and branch, point-combination

Pathogenesis of selected symptoms
Purpura, blood in the stool, blood in the urine, melena, menorrhagia, uterine bleeding Bleeding disorders originate because the Spleen is not able to hold the Blood in the vessels.