Heel pain is kidney yin deficiency or yang deficiency

Heel pain may be caused by kidney yin deficiency or kidney yang deficiency.

Kidney yin deficiency may lead to deficiency of kidney essence, which may cause the foot to lose nourishment, thus increasing the risk of heel pain. Kidney yang deficiency may lead to weakened function of the skeletal system, prone to osteoporosis, which may lead to deformation and damage of the calcaneus, causing heel pain.