Bacteriostatic antibiotic from the group of tetracyclines. It disrupts the formation of a complex between the transport RNA and the ribosome, which leads to suppression of protein synthesis.
Active against gram-positive and gram-negative microorganisms - Staphylococcus aureus, Streptococcus epidemicus (Streptococcus pyogenes), Streptococcus pneumoniae (Diplococcus pneumoniae), Neisseria gonorrhoeae, Haemophilus influenzae, Haemophilus ducreyi, Klebsiella pneumoniae, Francisella tularensis (Pasteurella pestis), Escherichia coli, Bacillus anthracis, and Chlamydia trachomatis.
To tetracycline, microorganisms are stable: Pseudomonas aeroginosa, Proteus spp., Ser- ratia spp., most strains Bacteroides spp. and fungi, viruses, group A beta-hemolytic streptococci (including 44% of strains Streptococcus pyogenes and 74% of strains Streptococcus faecalis).