Drug Reaction with Eosinophilia and Systemic ... How to take Flagyl S suspension Flagyl S suspension should be taken at least one hour before a meal or food. This medicine works better if taken ...

Credit: CDC/Joe Miller. Metronidazole is a nitroimidazole antimicrobial. The Food and Drug Administration (FDA) has approved Likmez™, a ready-to-use liquid suspension formulation of metronidazole.