Metronidazole (Flagyl®, MetroCream®, MetroGel®, MetroGel-Vaginal®, MetroLotion®, Noritate®, Vandazole®) is a medication commonly used for treating infections caused by parasites and anaerobic bacteria (bacteria that do not require oxygen to survive). It is available by prescription only and comes in both oral and topical form.
Topical metronidazole products come in the form of skin creams, lotions, gels, and vaginal creams. For the oral form of metronidazole, capsules and tablets are available in the following strengths:
The particular directions for when and how to use each product can vary substantially, so be sure to refer to the information for your specific medication. You can take regular, short-acting metronidazole capsules or tablets with food or on an empty stomach. However, the long-acting, extended-release tablets must be taken on an empty stomach, at least one hour before or two hours after a meal.
(Click Metronidazole for more information on how dosing works for this drug, how it works, and the specific effects.)