What denotes the symptom characteristic of LI Dryness?

The characteristic symptom of LI (Large Intestine) Dryness is the presence of dry stools that are difficult to discharge. This symptom reflects the underlying condition of dryness in the Large Intestine, which can result from a lack of fluid or a deficiency that hinders the proper movement and moisture necessary for bowel function.

In Traditional Chinese Medicine, LI Dryness is often associated with other factors, such as insufficient fluid intake, environmental dryness, or a deficiency in the body's yin, which helps to nourish and moisten bodily tissues. The symptom of dry and hard stools is a direct result of this lack of hydration, leading to challenges during bowel movements where patients may experience straining.

Additionally, the other options describe symptoms that align more with different patterns. A thick yellow tongue coat generally suggests heat and excess conditions, while loose stools with blood could indicate an entirely different issue, such as dysentery or heat in the blood. Lastly, abdominal pain with diarrhea is typically associated with conditions related to dampness or excess, contradicting the notion of LI Dryness. Therefore, the symptom of dry stools that are difficult to discharge captures the essence of LI Dryness accurately.