Penicillin, streptomycin, oxytetracycline, and erythromycin are often (1) β-lactams: this is the most widely used, and most widely used category. This category includes two parts. ① Penicillin: Commonly used varieties include penicillin sodium, penicillin potassium, ampicillin sodium, amoxicillin, piperacillin, penicillin V potassium and so on. ② Cephalosporins: Commonly used varieties include cephalexin, cefadroxil, cefazolin sodium, cefradine, ceftriaxone sodium and so on. (2) Aminoglycosides: commonly used varieties include streptomycin, gentamicin, kanamycin, amikacin, small noomicin and so on. (3) Tetracyclines: tetracycline, oxytetracycline, doxycycline, minocycline, etc. (4) Macrolides: Commonly used varieties include erythromycin, erythromycin ethylsuccinate, roxithromycin, methylenedicycline, acetylspiramycin, and kitatamycin. (5) Chloramphenicol: the commonly used species is chloramphenicol. (6) Lincomycins: Lincomycin, clindamycin. (7) Other major antibacterial antibiotics: commonly used are norvancomycin, fosfomycin, capreomycin, and rifampicin. (8) Antifungal antibiotics: Commonly used varieties are amphotericin B, griseofulvin, nystatin, gram candidin and so on. (9) Anti-tumor antibiotics: mitomycin and adriamycin are commonly used. (10) Antibiotics with immunosuppressive effect: such as cyclosporine. See these. But there are subdivided
