What condition is indicated by a fine-fast pulse with nocturnal sweating and a dry tongue without coating?

A fine-fast pulse, nocturnal sweating, and a dry tongue without coating are indicative of Yin deficiency. In Traditional Chinese Medicine, Yin represents the cooling, moistening, and nourishing aspects of the body. The fine and fast pulse suggests a deficiency of Yin, as the body is in a state of heat due to the lack of cooling and moistening qualities.

Nocturnal sweating is particularly significant; it typically occurs when Yin is not able to provide enough cooling, leading to a rise in internal heat, which manifests during the night when the body is meant to rest and rejuvenate. This aligns with the presentation of Yin deficiency, where the body struggles to maintain balance and moisture.

A dry tongue without coating further supports this diagnosis. The absence of coating indicates a lack of fluid and nourishment, characteristic of Yin deficiency. This condition is often associated with symptoms such as heat sensations, dryness, and the tendency to sweat at night, all of which are present in this scenario.

Understanding these signs and symptoms within the framework of Traditional Chinese Medicine allows practitioners to identify the underlying deficiencies and implement appropriate treatments to restore balance.