Flagyl 400mg tablets contain Metronidazole, an antibiotic medication used to treat various bacterial and parasitic infections. Each pack contains 14 tablets for oral use, manufactured by Sanofi. The tablets are designed for oral administration and require a prescription. Metronidazole is effective against certain types of bacteria and parasites. The medication comes in a white box with purple and red text branding. The tablets should be stored at room temperature away from moisture and heat. This is a prescription-only medicine that should be taken exactly as prescribed by your healthcare provider. Common uses include treating infections of the stomach, intestines, skin, joints, and reproductive system.