Is the kidney deficiency cough symptom yin deficiency or yang deficiency

The symptoms of cough due to kidney deficiency may be caused by yin deficiency, or yang deficiency.

The syndrome types of kidney deficiency are different. If it is yin deficiency, due to excessive depletion of kidney yin, the kidney may lose the nourishment of yin fluid, which may cause internal heat, resulting in internal disturbance of deficiency heat. If the disease is more serious, deficiency heat may cause inflammation, involving the lungs, and then cause cough, phlegm and sticky symptoms. If the syndrome type of kidney deficiency is yang deficiency, because the kidney is the root of qi, yang deficiency will lead to kidney failure to accept qi, lung qi disorder, so that qi reverse to the lungs, so there will be cough, wheezing symptoms.