Flagyl ER Dosage
Generic name: metronidazole
Dosage form: tablet, film coated, extended release
This dosage information does not include all the information needed to use Flagyl ER safely and effectively. See full prescribing information for Flagyl ER.
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Seven-day course of treatment—750 mg once daily by mouth for seven consecutive days.
Flagyl ER 750 mg tablets should be taken under fasting conditions, at least one hour before or two hours after meals. The optimum extended-release characteristics of Flagyl ER 750 mg are obtained when the drug is taken under fasting conditions. (See CLINICAL PHARMACOLOGY—Pharmacokinetics.)
Patients with severe hepatic disease metabolize metronidazole slowly, with resultant accumulation of metronidazole and its metabolites in the plasma. Accordingly, for such patients, doses below those usually recommended should be administered cautiously. Close monitoring of plasma metronidazole levels6 and toxicity is recommended.
The dose of metronidazole should not be specifically reduced in anuric patients because accumulated metabolites may be rapidly removed by dialysis.
In elderly patients, the pharmacokinetics of metronidazole may be altered and therefore, monitoring of serum levels may be necessary to adjust the metronidazole dosage accordingly.
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