Syndrome of kidney qi weakness refers to the symptoms due to asthenia of kidney qi and its failure in storage and consolidation. This syndrome is usually caused by weakness in the aged and asthenia of kidney qi; or by congenital defect and insufficiency of kidney qi; or by consumption of kidney qi due to chronic disease and overstrains.
 
Clinical manifestations:
Aching and weakness of loins and knees, dizziness and tinnitus, frequent clear urine, or dripping urination, or enuresis, or frequent noctural urination, or incontinence of urine in man, seminal emission, immature ejaculation, dripping menstruation, or thin and profuse leukorrhagia, or excessive movement of fetus and susceptibility to abortion, light-colored tongue with whitish fur and weak pulse. Such symptoms are usually seen in prostate hyperplasia, hypogonadism, metrostaxis due to dysfunction and habitual abortion, etc.
 
Analysis of the symptoms:
Aching and weakness of loins and knees, dizziness and tinnitus are caused by asthenia of kidney qi and insufficient nutrition; frequent clear urine, or dripping urination, or enuresis, or frequent noctural urination, or incontinence of urine in man are caused by asthenia of kidney qi and dysfunction of bladder; seminal emission and immature ejaculation are caused by asthenia of kidney qi and its failure in storage, dripping menstruation, or thin and profuse leukorrhagia, or excessive movement of fetus and susceptibility to abortion, are caused by insufficiency of kidney qi, dysfunction of the thoroughfare and conception vessels as well as weakness of the belt vessel; light-colored tongue with whitish fur and weak pulse are the signs of qi asthenia.
 
Key points for syndrome differentiation:
This syndrome is marked by aching and weakness of the loins and knees, frequent and clear urine or dripping urination, seminal emission, immature ejaculation, dripping menstruation, thin and profuse leukorrhagia and weakness of the bladder.