Dazhongyin Pill is a traditional Chinese medicine formula characterized by nourishing yin and clearing heat, with nourishing yin and cultivating the root cause as the mainstay, and lowering fire and clearing the source as a supplement, so as to take care of both symptoms and root cause.
Dazhongyin Pill is composed of Radix Rehmanniae Praeparata, Radix et Rhizoma Gastrodiae, Radix et Rhizoma Cyperi, Radix et Rhizoma Zhi Mu. In the formula, the ripe earth nourishes the true yin, the turtle board nourishes the kidney and strengthens the bones, the two nourish the yin and solidify the root of the yin, together as the king’s medicine; Huang Bai is bitter and cold, but diarrhea of the kidney and the fire of the bladder, Zhi Mu nourishes the yin and clears the heat, the two together as the subject of the medicine, which can reduce the fire of the deficiency of yin; the combination of all, the total performance of the yin nourishing and reducing the effectiveness of the fire.
In modern times, the above medicines are often made into fine powder, and the spinal cord of pig is steamed, pounded as mud, and honey is refined, mixed and powdered into pills, and served with light salt water, or made into soup and decocted, with the dosage reduced according to the proportion of the original formula.
Great Yin Replenishing Pill takes red tongue with little moss, tidal fever (a burst of heat, feeling that the heat comes from the inside of the bone to the outside), irritability, night sweating (sweating abnormally after going to sleep, but sweating stops after waking up), spermatorrhea as the main points of identification, and it is a commonly used formula for treating deficiency of yin and exuberance of fire.
It should not be used if there is weakness of the spleen and stomach, loose stools (scanty and unformed feces), or if fire-heat is a real condition. The adverse effects of this formula are not clear.
Chinese medicine prescriptions should be taken according to the needs of the condition, under the guidance of a physician, and should not be used on its own to avoid adverse consequences.