Metronidazole exerts antibacterial effects in an anaerobic environment ... respectively. Primarily from side-chain oxidation [1-(ßhydroxyethyl)-2-hydroxymethyl-5-nitroimidazole and 2-methyl ...

Drinking on some antibiotics, like metronidazole (Flagyl ... drinking can worsen side effects. In most cases, you can safely drink alcohol again three days after the last dose of antibiotics.