Diseases that are caused by heat are generally of abrupt onset and rapid change, they are nearly always acute infections. Initially the patient may complain of a high fever, chill, thirst, restlessness, irritability and profuse sweating. In severe cases the patient may be in coma with convulsion. There are other factors affecting our health, our emotions and feelings play an important part. Excessive fear and fright, or over-joy, injures the heart, causing palpitations, insomnia, irritability, anxiety and mental abnormality.
Excessive angers causes dysfunction of liver.
This impairs the function of freeing, causes pain and distention in the costal and hypochondriac region, abnormal menstruation, depression and irritability. If the storing of blood is disturbed then menorrhagia and hemorrhage can result. Excessive grief, anxiety and over-thinking cause dysfunction of the spleen and stomach, anorexia and a feeling of fullness or distention after meals. Excessive grief, anxiety and anger cause poor circulation of Qi and blood. If there is retardation of Qi, and stagnation of blood then this can cause a tumor.