Abstract
The in vitro antibacterial activity of the antifungal compound fenticonazole was compared with those of clotrimazole, miconazole, tetracycline, and metronidazole against 177 strains of bacterial species associated with either bacterial vaginosis (BV) or skin infections by agar dilution MIC determinations. BV-associated Bacteroides isolates of the Bacteroides melaninogenicus-B. oralis group, Gardnerella vaginalis, Mobiluncus spp., and anaerobic, gram-positive cocci were highly susceptible to fenticonazole, clotrimazole, and miconazole; but Bacteroides spp. not associated with BV, Bacteroides ureolyticus and the Bacteroides fragilis group, were resistant. All Bacteroides strains were susceptible to metronidazole, but the susceptibility of G. vaginalis and Mobiluncus spp. varied. Among the skin bacteria, Staphylococcus aureus, coryneforms, and streptococci were highly susceptible to the imidazoles; but Staphylococcus epidermidis strains were generally resistant. This antibacterial activity may give fenticonazole a useful role in the topical treatment of vaginal discharge and in mycotic skin infections that are superinfected with bacteria.
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