β-lactam antibiotics, acidic substances extracted from fermentation broth, using their different salts, such as sodium salt, potassium salt, procaine penicillin, benzathine penicillin, etc., are broad-spectrum antibiotics, sterilized during the bacterial reproduction period effect. It has antibacterial effect on Gram-positive cocci and Gram-negative bacilli. It is mainly used for acute infections caused by sensitive bacteria, such as sepsis, pneumonia, tonsillitis, scarlet fever, endocarditis, meningitis, boils, carbuncle and traumatic infections.
Penicillin has a good antibacterial effect on streptococcus species such as hemolytic streptococcus, streptococcus pneumoniae and staphylococci that do not produce penicillinase. Moderate antibacterial effect against enterococci, Neisseria gonorrhoeae, Neisseria meningitidis, Corynebacterium diphtheriae, Bacillus anthracis, Actinomyces bovis, Streptococcus candidiasis, Listeria monocytogenes, Leptospirosis This product is sensitive. This product also has certain antibacterial activity against Haemophilus influenzae and B. pertussis, and other Gram-negative aerobic or facultative anaerobic bacteria have poor sensitivity to this product. This product has a good antibacterial effect on Clostridium, Digestive Streptococcus anaerobic bacteria and Bacteroides melanogenes, etc. It has a poor antibacterial effect on Bacteroides fragilis. Penicillin exerts a bactericidal effect by inhibiting the synthesis of bacterial cell walls. Penicillin is suitable for various infections caused by sensitive bacteria, such as abscess, bacteremia, pneumonia and endocarditis.