Traditional Chinese medicine powder is one of the pharmaceutical dosage forms. Also known as "powder". It refers to a preparation in which a single drug or compound is ground into very fine powder. Is to grind the medicine into powder The powder is administered orally: the coarse powder is boiled with water; Fine powder with white soup, tea, rice soup or wine. External use: grind into fine powder and apply it to the affected area, or apply it externally with wine, vinegar, honey, etc. Western medicine powder is a kind of pharmaceutical dosage form, which refers to the dry powder preparation made of drugs or suitable excipients by crushing and mixing, and is divided into oral powder and external powder. Grinding the medicine into powder and dispersing. It can be taken orally or externally. Powder can be classified into oral powder and external powder. Oral powder is generally dissolved or dispersed in water or other liquids, and can also be taken directly with water. Oral administration: coarse powder boiled in water; Fine powder with white soup, tea, rice soup or wine. The external powder can be used for skin, mouth, throat and mouth. Powders used for treating, preventing and lubricating the skin can also be called spreaders or powders. External use: grind into fine powder and apply it to the affected area, or apply it externally with wine, vinegar, honey, etc. The quality of powder requires that the production and storage of powder should comply with the following relevant regulations during production and storage. First, the ingredients of the powder should be ground into fine powder. Unless otherwise specified, the powder for internal use should be fine powder, and the powder for external use should be the finest powder. Second, the powder should be dry, loose, evenly mixed and of the same color. When preparing powder containing toxic drugs or small doses of drugs, the preparation method should be used to mix evenly and sieve. 3. The powder may or may not contain auxiliary materials, and correctants, spices and colorants may be added as required. Four, the powder can be packaged in single dose or multiple doses (sub-package), and the multi-dose packager should attach multi-dose appliances. Five, unless otherwise specified, the powder should be sealed storage, powder containing volatile drugs or moisture-absorbing drugs should be sealed storage. Quality inspection Unless otherwise specified, the powder shall be inspected as follows. Unless otherwise specified, the local powder shall be inspected by the following methods, and the particle size shall meet the requirements. Inspection method: Take 10g sample, accurately weigh it and put it on No.7 sieve. According to the determination method of particle size and particle size distribution (single screen method in Appendix ⅸ E of Pharmacopoeia 20 10, Part II), accurately weigh the weight of powder passing through the screen, which shall not be less than 95%. Appearance uniformity Appearance uniformity inspection method Take a proper amount of samples, put them on smooth paper, lay them flat for about 5cm2, and flatten their surfaces. When observed in a bright place, the color should be uniform, and there should be no patterns and spots. Drying loss
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