Overview of the functions and functions of raw gypsum

Gypsum, whose main component is hydrated calcium sulfate (CaSO₄·2H₂O), is a commonly used heat-clearing and purgative powder in traditional Chinese medicine.Clear away heat and purge fire, relieve restlessness and quench thirst, astringe and promote muscle growthand other core functions. Its application range is wide,Primary and secondary functionsIt can be summarized as: 1)Take internallyUsed for excess heat syndrome such as high fever, polydipsia, lung heat, cough and asthma; 2)External useTreat skin problems such as ulcers and eczema; 3) Help relieve inflammatory reactions such as toothache and headache. Gypsum is cold in nature and needs to be used according to syndrome differentiation. People with spleen and stomach deficiency should take it with caution.

Clinical application of clearing away heat and purging fire

gypsumHeat clearing effectIt is especially prominent in emergency cases of traditional Chinese medicine. For example,"Treatise on Febrile Diseases"The "Baihu Decoction" in "Baihu Decoction" uses raw gypsum as the main medicine, and is used for symptoms of excess Qi and heat such as high fever, profuse sweating, and polydipsia. Modern research shows that its antipyretic mechanism may be related to inhibiting the release of central heating mediators. In addition, raw gypsum combined with anemarrhena, japonica rice, etc. can enhance the effect of purging fire and is often used in the early stages of febrile diseases such as influenza and pneumonia. It should be noted that raw gypsum needs to be broken into pieces and fried first to fully release the active ingredients.

Astringent and restorative effects for external use

After calcining raw gypsum (calcined gypsum), its convergence is enhanced.External useCan promote drying and scabbing of wounds. For example,"Compendium of Materia Medica"It is recorded that it "reduces moisture and sores" and is suitable for burns, eczema exudates or chronic ulcers. In modern clinical practice, calcined gypsum is mixed with cork, borneol, etc. into a powder for bedsore care, which can reduce the risk of infection. The mechanism may be related to the promotion of capillary contraction and local anti-inflammatory effects of calcium ions.

Synergistic effects with other medicinal materials

Gypsum is often used withCompatible medicinal materialsCreate synergy. For example, when combined with Ephedra (Maxing Shigan Decoction), it can clear the lungs and relieve asthma, and treat lung-heat cough and asthma; combined with Shengdi, it can enhance the effect of nourishing yin and reducing fire, and improve diabetic polydipsia. However, it is necessary to avoid using it with other warming medicines such as aconite to prevent conflicting properties. The following table lists common compatibility and indications:

Summary and usage precautions

Gypsum is a representative heat-clearing medicine in traditional Chinese medicine.Treat both internal and externalBut strict identification is required. Oral administration is suitable for excess heat syndrome, and external use of calcined products is safer. Due to its cold and cooling properties, long-term use may damage the spleen and stomach. It is recommended to stop the disease immediately. Modern pharmacology has confirmed that it contains calcium, sulfur and other elements, but it cannot replace professional medical treatment. You should consult a Chinese medicine practitioner before use to ensure the right medicine is prescribed.

Quote sources:

1. "Pharmacopoeia of the People's Republic of China" (2020 Edition)

2. Li Shizhen's "Compendium of Materia Medica"

3. Zhang Zhongjing's "Treatise on Febrile Diseases"