Metronidazole (Flagyl, Protostat) is an oral or IV injectable bacteriocidal antibiotic/antiprotozoal agent. It is used to treat bacterial infections caused by anaerobic bacteria (such as Clostridium
), and Giardia
and other GI protozoal flagellates.
Metronidazole comes available as tablets (250 or 500 mg) to be given orally or as an injectable solution (5 mg/mL) for slow IM administration. Resistant organisms may require two daily injections followed by two more doses repeated in 14 days.
- Orally: 10-30 mg/kg, BID for 10 days.
- IM: 10 mg/kg SID for 2 days.