Dihuang is divided into fresh Dihuang, dried Dihuang and ripened Dihuang. Fresh Dihuang is used to treat heat illnesses that injure the yin, tongue redness and thirst; dried Dihuang is used to treat heat in the camping blood, warm toxin spotting and vomiting; ripened Dihuang is used to treat deficiency of yin in the liver and kidney, lumbar and knee soreness and weakness, and bone vaporization and hot flushes.
Dihuang is a kind of traditional Chinese medicine, the fresh or dried tuberous root of Dihuang, a plant in the family of Ginseng, is divided into fresh Dihuang, dried Dihuang and cooked Dihuang.
1. Fresh Radix Rehmanniae Praeparata: It has the efficacy of clearing heat and generating fluids, cooling the blood and stopping bleeding; it is mainly used for treating heat illnesses that injure the yin, irritating and thirsting of the tongue, warm poisonous spots, vomiting of blood, epistaxis, sore throat and other diseases.
2. Dried Radix Rehmanniae Praeparata: it has the efficacy of clearing heat and cooling blood (relieving blood heat by clearing heat), nourishing yin and promoting generation of body fluid; it is mainly used in the treatment of heat in the camping blood, warm poisonous spots (spots and patches on the skin caused by the invasion of warm-heat toxin into the human body), vomiting of blood, epistaxis, injury to yin by heat, irritation of thirst and thirst with a red tongue, constipation by injury to fluid, and deficiency of yin with heat, and other diseases.
3. Radix Rehmanniae Praeparata (熟地黄): a concocted product of Radix Rehmanniae Praeparata (生地黄), it has the efficacy of nourishing yin and tonifying blood (nourishing the blood in the body), benefiting the vital essence and filling in the marrow, and is mainly used in treating yin deficiency of the liver and kidney, lumbar and knee soreness and tenderness (a feeling of soreness and weakness of the lumbar and knees), bone vaporization and dampness and heatiness (a burst of fever and the feeling that heat is penetrating from the inside of the bone to the outside), and night sweating (abnormal perspiration after falling asleep, but perspiration stops upon waking up).
Adverse effects and contraindications of Di Huang are not clear. It should be noted that it should not be taken by people with spleen deficiency, dampness stagnation, or fullness of the abdomen and loose stools (thin and unformed feces).
If you need to use the drug, it is recommended to use the drug under the guidance of a doctor, do not blindly self-medication, in order to avoid adverse effects.