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Secnidazole is a nitroimidazole antibiotic used to treat bacterial vaginosis.
Secnidazole is a nitroimidazole antibiotic used to treat bacterial vaginosis.
Like other 5-nitroimidazole antimicrobials, the antimicrobial and antiprotozoal activity of secnidazole is accounted for by the nitro group in the imidazole ring. Upon entering the target pathogen, the nitro group of secnidazole is reduced by bacterial or parasitic nitroreductase enzymes, producing radical anions and reactive intermediates. Radical anions and reactive intermediates cause the depletion of thiols, DNA helix damage, disruption of bacterial or parasitic protein synthesis and replication, and ultimately, cell death of susceptible isolates of Gram positive bacteria, Gram negative bacteria and T. vaginalis.
Secnidazole is indicated for treating trichomoniasis and bacterial vaginosis in patients 12 years of age and older. In other countries, it is also available as a combination product with other antibacterial drugs, such as itraconazole.
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