Gypsum is a sulfate mineral anhydrite gypsum group gypsum, the main containing aqueous calcium sulfate.
Gypsum is mostly distributed throughout the country, preferably in Hubei and Anhui.
Gypsum gan, xin, big cold, return to the lungs, stomach meridians, for the heat of the diarrhea gunpowder.
According to different processing methods, gypsum is divided into raw gypsum and calcined gypsum, and their efficacy and application are also different. Raw plaster is taken internally, calcined plaster is used externally.
Raw gypsum gan cold clear heat and vitality, taste spicy can be scattered, and because of the cold and cool heavy sedimentation returned to the lungs, stomach meridians, so it has the effect of clearing heat and diarrhea, removing annoyance and quenching thirst, used for the treatment of warm fever gas points real heat evidence, lung heat cough and asthma and stomach fire toothache, headache, thirst quenching.
After plaster calcination, the heat is greatly reduced, the clarity of the nature turns to convergence, coagulation does not disperse, so it has the effect of clearing heat sores, removing saprophytic muscles, collecting moisture, and stopping bleeding, which is used to treat ulcers, eczema itching, water and fire burns, and trauma bleeding.
Because gypsum is a mineral medicine, heavy in quality, and the active ingredient is difficult to dissolve, the dosage is larger than that of general drugs, and it is advisable to crush and fry first.
Because the raw gypsum is cold and enters the stomach meridian, it cannot be used by those who are weak in the spleen and stomach.
And because the blood is yin, the yin deficiency internal heat should cool the blood to nourish the yin, and the raw gypsum is mainly used to clear the diarrhea, the stomach qi is divided into real heat, so the yin deficiency internal heat is also taboo.