Skin itching caused by yin deficiency and internal heat

Yin deficiency with internal heat refers to a pathological state characterized by depletion of yin fluids and hyperactivity of deficient fire. Yin deficiency may give rise to wind, fire, or dryness, thereby causing internal heat and resulting in pruritus (itchy skin). Specific manifestations include the following:

Patients with yin deficiency and hyperactive fire typically exhibit dull, lackluster skin. As yin deficiency engenders internal wind, pruritus commonly occurs. Some patients may also develop acne or erythematous swelling of the skin, accompanied by constipation, halitosis, dark yellow urine, and a tendency toward excessive internal heat.

Yin deficiency leads to an excess of internal fire; therefore, spicy foods should generally be avoided. A nutritionally balanced diet is recommended, emphasizing fresh vegetables and fruits to ensure adequate intake of various vitamins and trace elements. Emotional stability is essential—maintaining composure in daily life and responding calmly and equanimously to both favorable and adverse circumstances. Practices such as calligraphy, chess, and travel can help cultivate temperament and promote mental relaxation and emotional well-being. Listening regularly to gentle, soothing, and lyrical music can further aid in preventing irritability and agitation.