Metronidazole (brand name Flagyl®) is a synthetic, nitroimidazole antibacterial and antiprotozoal agent. It is used to treat bacterial infections caused by anaerobic bacteria (such as Clostridium), and Giardia and other gastrointestinal protozoal flagellates.
Storage/Stability: Metronidazole tablets and HCl powder for injection should be stored at temperatures less than 30°C and protected from light. The injection should be protected from light and freezing and stored at room temperature.
available as tablets (250 or 500 mg) to be given orally or as an injectable solution (5 mg/mL) for IM administration. Resistant organisms may require two daily injections followed by two more doses repeated in 14 days.