Pathogenesis of habitual constipation could be classified into excess and deficiency. Deficiency constipation is "stasis" caused by the deficiency of Qi and blood unable to propel the movement of stomach and bowel. Therefore it should be treated with therapy of activating blood and removing stasis accompanied with replenishing Qi, moistening intestines and warming Yang, etc, as well as BuYang HuanWuTang. It is said that the herbs and the disease are consistent with and beneficial to each other.%习惯性便秘可分为实秘和虚秘2大类,其中虚秘是由于气血两虚不能鼓动胃肠蠕动而致"瘀",因此治疗虚秘以活血化瘀法为主,辅以益气,润肠、温阳等方法,选用补阳还五汤为主方治疗,可谓药证相符,相得益彰.
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