Noun explanation preparation

Preparation refers to drugs or chemicals that are processed into designated dosage forms according to a certain formula and process. Preparations include solid preparations, liquid preparations and semi-solid preparations. A detailed description of the preparation is given below:

Definition and classification of 1. preparation

A preparation is a drug made of drugs or chemical substances according to a specific formula and process, and its purpose is to improve stability, solubility, bioavailability and convenience for patients. According to the physical state and composition of drugs, preparations can be divided into solid preparations, liquid preparations and semi-solid preparations.

2. Solid preparations

Solid preparations are drugs prepared in solid form. Common solid preparations include tablets, capsules, granules and powders. These preparations usually consist of active drugs, excipients and preparation processes, and are made by pressing, drying, pulverizing and other processes. Solid preparation has the characteristics of accurate dosage and convenient carrying and storage.

3. Liquid medicine

Liquid preparations are drugs prepared in liquid form, mainly including solutions, suspending agents and emulsions. These preparations usually consist of active drugs, solvents, excipients and stabilizers, and are prepared by mixing, stirring and heating. Liquid preparation has the characteristics of convenient administration, rapid absorption and adjustable dosage.

4. Semisolid preparation

Semi-solid preparation is a preparation form between solid preparation and liquid preparation. Common semisolid preparations include ointment, suppository, gel, etc. These preparations are composed of active drugs, substrates, thickeners and stabilizers, and are prepared by mixing, heating and cooling. Semi-solid preparation has the characteristics of soft texture, easy adhesion and local application.

5. Advantages and application of this preparation

Compared with the original drugs or chemicals, the preparation has the advantages of reasonable dosage form, strong stability, convenient administration and accurate dosage. The preparation is widely used in the medical field, and can be used for treating, preventing, diagnosing and improving human health. Different preparation forms are suitable for different diseases and drug needs, and doctors will choose the appropriate preparation for treatment according to the specific situation of patients.

6. Development trend of preparations

With the progress of science and technology and the improvement of people's requirements for drug efficacy and use experience, the research and development of preparations are also constantly advancing. The development trend of future preparations mainly includes precision, personalization and innovation. People will devote themselves to designing more elaborate dosage forms and processes, realizing accurate controlled release and customized administration of drugs, thus improving the curative effect and reducing adverse reactions.

Conclusion:

Preparation refers to the preparation of drugs or chemical substances into specific dosage forms according to a certain formula and process, including solid preparations, liquid preparations and semi-solid preparations. The preparation has the advantages of accurate dosage, convenient use and strong stability, and is widely used in the field of medicine. With the progress of science and technology, the development of preparations will tend to be refined, personalized and innovative.