Like other nitrofurans, nifuroxazide blocks some oxidation-reduction enzyme reactions in cells of microorganisms. When used in tTherapeutic doses have a bacteriostatic effect in high doses - bactericidal. Highly active in relation to Campylobacter jejuni, Escherichia coli, Salmonella spp, Shigella spp; Clostridium perfringens, Vibrio cholerae, pathogenic Vibrions and Vibrio parahaemolytique, Staphylococcus spp.
Weakly sensitive to nifuroxazide: Citrobacter spp, Enterobacter cloacae and Proteus indologenes.Resistant to nifuroxazide: Klebsiella spp, Proteus mirabilis, Providencia spp., Pseudomonas spp.
He influences on saprophyte flora (does not cause dysbiosis). Resistance of microorganisms to the drug does not develop.