Raw Di Huang is cold in nature and sweet in flavor. It belongs to the heart, liver and kidney meridians.
Sweet and cold in nature, Dihuang enters the blood division of the heart and liver (among the four periods of warm disease, Wei Qi and Ying Blood, it belongs to the most in-depth stage or location of the disease), has the effect of clearing heat and cooling the blood (relieving blood heat by clearing heat), and can be used for warm disease where heat enters the camp, and the fever is aggravated at night, and the heart is upset and insomnia is caused.
Raw Radix Rehmanniae Praeparata is nourishing and cold, with the effect of clearing heat and nourishing yin, benefiting the stomach and generating fluids (nourishing the stomach by replenishing the fluids in the stomach), and can be used for heat illnesses that injure the yin, thirst, and constipation due to injury of fluids. It is good at cooling the blood, and is also used in spitting blood and epistaxis with bright red blood caused by blood heat (heat evil causing blood to go out abnormally).
Sheng Di Huang enters the kidney meridian and can nourish yin and clear fire. It can be used in cases of internal heat due to yin deficiency, with self-consciousness of heat sensation coming out from the bones and muscles, as well as in the late stage of warm diseases, when the residual heat is not yet exhausted, the yin and fluids have been injured, and the evil is resting in the yin part of the body, with symptoms such as night-time heat and early morning cold.
The adverse effects of Radix et Rhizoma Dioscoreae are not clear. This product should not be used by people with spleen deficiency and dampness stagnation, abdominal fullness and loose stools (thin and unformed feces). Before taking this medicine, you need to ask your doctor for identification and take it under the doctor’s guidance, not blindly self-medication.