What symptom indicated by numbness and tingling in limbs is characteristic of Blood deficiency?

Numbness and tingling in the limbs, often linked to Blood deficiency in Traditional Chinese Medicine (TCM), can manifest alongside a variety of other symptoms. In this context, insomnia and dizziness are particularly indicative of Blood deficiency for several reasons.

Blood in TCM not only nourishes the body but also maintains a stable mental state. When the Blood is deficient, it can lead to a lack of nourishment for the heart and brain, resulting in symptoms such as insomnia due to an inability to settle the mind. Dizziness may occur because the brain is not receiving adequate Blood flow and nourishment, which is essential for proper function.

In TCM, symptoms related to Blood deficiency often revolve around the idea of insufficient nourishment and vitality. Insomnia and dizziness highlight the broader impact of Blood deficiency on cognitive and physical well-being, making them characteristic symptoms.

The other symptom combinations, while they may indicate different types of imbalances, do not align closely with the manifestations of Blood deficiency observed in TCM. For example, dry cough and asthma point more toward issues with Lung Qi or Yin deficiency, while poor memory and anxiety could relate to Spleen deficiency or Kidney essence deficiency. Edema and discomfort suggest fluid retention or Dampness rather than Blood deficiency.