Solid dosage forms are the most important dosage forms for pharmaceuticals, which contain a unit dose of one or more drugs. Commonly used solid dosage forms are powders, granules, tablets, capsules, etc., accounting for about 70% of the pharmaceutical preparations. Compared with liquid dosage forms, solid dosage forms have good physical and chemical stability, lower manufacturing costs, and are easy to take and carry, the pretreatment of the preparation process undergoes the same unit operation to ensure uniform mixing and accurate dosage of the drug, and there is a close relationship between the dosage forms.
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