Syndrome of asthenia of splenic yang refers to the syndrome due to asthenia of splenic yang and internal exuberance of yin cold. This syndrome is caused by further development of the asthenia of splenic qi; or by excessive intake of uncooked or cold food; or by asthenia of splenic?yang and failure of fire (heart) to generate (promote) earth (spleen).

Clinical manifestations:
Poor appetite, abdominal distension, lingering abdominal cold pain, preference for warmth and palpation, aversion to cold, cold sensation of four limbs, light whitish complexion, bland taste in the mouth without thirst, loose stool, or stool with indigested food, heaviness of limbs, or dropsy of limbs, dysuria, profuse and thin leukorrhagia, pale, bulgy and tender tongue, or tongue with tooth prints, whitish slippery fur, sunken, slow and weak pulse. Such manifestations are usually seen in chronic gastritis, digestive ulceration, chronic enteritis, malabsorption syndrome, Crohn's disease, irritable intestinal syndrome and chronic nephritis and IgA nephropathy.
 
Analysis of symptoms:
Poor appetite and abdominal distension are due to asthenia of splenic yang and failure of transportation and transformation; lingering abdominal cold pain, preference for warmth and palpation are due to asthenia of yang and exuberance of yin, internal generation of cold as well as cold coagulation and qi stagnation; bland taste in the mouth without thirst and loose stool, or even stool with indigested food are due to failure of splenic yang to warm and transport food because of asthenia; aversion to cold, cold sensation of limbs and light whitish complexion are due to failure of yang to warm because of asthenia; heaviness of limbs, even general edema and dysuria are due to inactivation of gastrosplenic yang, internal retention of dampness and extravasation of dampness; profuse and thin leukorrhagia is due to asthenia of splenic yang, weakness of belt vessel and downward migration of dampness; pale, bulgy and tender tongue, or tongue with tooth prints, whitish slippery pulse, as well as sunken, slow and weak pulses are signs of yang asthenia and internal exuberance of yin cold
 
Key points for syndrome differentiation:
Poor appetite, abdominal distension, lingering abdominal cold pain and loose stool.