Flagyl is a prescription antibiotic medication containing 400mg of metronidazole per tablet. This package contains 14 tablets manufactured by Sanofi for oral use. The medication comes in a white box with purple and red text clearly displaying the brand name and strength. The active ingredient metronidazole belongs to a class of antibiotics known as nitroimidazoles. This medication requires a prescription and should only be taken as directed by a healthcare provider. Store at room temperature away from moisture and light. The package includes the Sanofi manufacturer logo.