The dosage of traditional Chinese medicine is mainly considered according to the patient's physique, symptoms, living area, climate and the selected prescription.
Due to different uses, the dosage is also different. The same drug, due to different doses, will have different effects or new functions, thus playing a greater role. Especially the super-large dose, used properly, often has unexpected miraculous effects.
root of membranous milk vetch
Its diuretic effect is obvious within 20 grams, and tends to be inhibited above 30 grams; Its effect on blood pressure can increase blood pressure within 15g, but decrease it above 35g.
If you have symptoms of qi deficiency, use baked Astragalus membranaceus; if you have no symptoms of qi deficiency, use raw Astragalus membranaceus. Raw Astragalus membranaceus over 30g can tonify qi but not help fire, and has a good effect of lowering blood pressure, while below 30g can strengthen yang and help fire.
Chinese angelica
Angelica sinensis has the function of enriching blood and promoting blood circulation, and is suitable for blood deficiency and blood stasis. However, in the compound prescription, a small dose of angelica is used to replenish blood, and a large dose of angelica is used to promote blood circulation.
For example, Danggui Buxue Decoction consists of 30g of Radix Astragali and 6g of Radix Angelicae Sinensis. When applying Yangxue Siwu Decoction, the dosage of Angelica sinensis did not exceed10g; . In Guipi Decoction and Bazhen Decoction, the dosage of Angelica sinensis is only 3g.