Disposition of metronidazole in the body is similar for both oral and intravenous dosage forms. Following oral administration, the peak plasma concentration is reached between 1–2 hours.

In patients treated with intravenous metronidazole, using a dosage regimen of 15 mg/kg loading dose followed 6 hours later by 7.5 mg/kg every 6 hours, the average peak steady-state plasma ...

A prospective, randomized, controlled clinical trial compared metronidazole 250 mg orally four times daily ... Comparisons have been made between vancomycin dosage strengths and relative efficacies.