Metronidazole 500 mg orally twice a day for 7 days OR Metronidazole ... for 7 days Alternative regimens for pregnant women Erythromycin base 250 mg orally four times a day for 14 days OR ...

Some erythromycin products may contain sodium. Ask your doctor or pharmacist for more information if you are on a salt-restricted diet or if you have a condition that could be worsened by an ...