Antibiotic of a group of semisynthetic penicillins of a wide spectrum of action. Has a bactericidal effect by suppressing the synthesis of the bacterial cell wall.
It is active against aerobic gram-positive bacteria: Staphylococcus spp. (with the exception of strains producing penicillinase), Streptococcus spp., Enterococcus spp., Listeria monocytogenes; aerobic Gram-negative bacteria: Neisseria gonorrhoeae, Neisseria meningitidis, Escherichia coli, Shigella spp., Salmonella spp., Bordetella pertussis, some strains of Haemophilus influenzae.
Destroyed by β-lactamase bacteria.