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After years of development, significant progress has been made in the research and development of anti-tumor drugs.

Anti tumor drugs are a class of drugs used to treat cancer diseases. In recent years, the development of molecular oncology and molecular pharmacology has gradually clarified the essence of tumors

According to the mechanism of action of antiviral drugs, current antiviral drugs can be classified into the following categories

Antibiotics are a class of secondary metabolites produced by microorganisms (including bacteria, fungi, actinomycetes) or higher animals and plants during their life processes

The purpose of combination therapy is to improve the effectiveness of disease treatment, reduce bacterial resistance, reduce the occurrence of adverse reactions, and expand the scope of antibacterial

The preventive use of antibiotics accounts for about 40% of antibiotic usage, while those with practical value make up a minority.

The use of antibiotics should be selected based on their indications, and the main principles for selection are as follows

Heterogeneity reactions occur in a small number of patients and are often related to genetic factors.

Various antibiotics can generally act on pathogens at very low concentrations, which is another major characteristic that distinguishes antibiotics from other chemical fungicides.

The action of antibiotics is selective, and different antibiotics have different effects on different pathogens.

Antibiotics can selectively act on specific links in the DNA, RNA, and protein synthesis systems of bacterial cells

Interference with protein synthesis means that the enzymes necessary for cell survival cannot be synthesized.