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    API

    API refers to the pharmaceutical raw materials used in the production of various types of preparations. It is the active ingredient in the preparations. It is prepared by chemical synthesis, plant extraction, or biotechnology for various powders, crystals, and extracts used as medicinal products. Substances that the patient cannot take directly. Complete definition of API in ICH Q7A: It is intended to be used for any substance or mixture of substances in the manufacture of drugs, and when used in pharmaceuticals, it becomes an active ingredient of drugs.

    Inhibitor Drugs

    Inhibitors drugs are psychotropic drugs, and common ones include alcohol, opium, and barbiturates, which inhibit or reduce the transmission of nerve impulses in the central nervous system, thereby suppressing (slowing) mental and physical activity. "Inhibitor Drugs" on Echemi mainly supplies APIs for inhibitor drugs.

    Fluid, Electrolyte, and Acid-base Balance

    Fluid, Electrolyte, and Acid-base Balance are necessary to maintain a constant environment in the human body, ensure normal metabolism of cells and maintain normal physiological functions of various organs. Commonly used fluid, electrolyte and acid-base balance regulating drugs mainly include the following categories: glucose, mineral salts, etc., mainly including sodium, potassium, calcium, magnesium and phosphorus. They participate in various metabolic processes and physiological activities in the body, and can provide energy, which plays an important role in maintaining body fluid capacity, osmotic pressure, various electrolyte concentrations, and pH balance. The "Echemi Fluid, Electrolyte, and Acid-base Balance" list mainly supplies APIs for such drugs.

    Antiallergic Drugs

    An allergic reaction is an allergic reaction, which refers to tissue damage or physiological dysfunction caused by the body being stimulated by antigenic substances, and is an immunopathological injury process. Drugs for preventing and treating allergic diseases caused by various antigenic substances (such as bacteria, viruses, parasites, pollen, etc.) are anti-allergic drugs. According to the different mechanism of action, it can be divided into: antihistamine drugs, allergic reaction mediator release drugs, histamine desensitizers, leukotriene receptor antagonists, drugs that inhibit antigen-antibody reactions, and improve or control allergic symptoms Medicines, etc. The "Echemi Antiallergic Drugs" list mainly supplies APIs for such drugs.

    Drug Metabolism

    The effects of drugs on metabolism are divided into two categories: antimetabolites and metabolic drugs. Antimetabolites are drugs that can specifically bind to metabolites in the body, thereby affecting or antagonizing metabolic functions. Usually, their chemical structures are similar to nucleic acid or protein metabolites in the body. There are several types of medicines for improving metabolism: male hormones, anabolic hormones and thyroid hormones. "Drug Metabolism" on Echemi mainly supplies APIs for these drugs.
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