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Metronidazole

Common Brand Names: Flagyl, MetroGel, MetroCream

Use & Dosage Information

Medically reviewed by Jessica Swirble, PharmD
Last updated on 3/18/2024

Drug Information | Side Effects | Use & Dosage | Request a Prescription

How should metronidazole be used?

Metronidazole is available in the following forms:

  • Oral tablets
  • Capsules
  • Extended-release tablets
  • Topical creams/gels

General use recommendations for metronidazole include:

  • Oral tablets/capsules: Take with a full glass of water, with or without food, as directed by your healthcare provider.
  • Extended-release tablets: Swallow whole; do not crush, chew, or break.
  • Topical formulations: Apply to the affected area(s) as directed, usually 1 to 2 times daily.

Extended-release metronidazole should be taken on an empty stomach, 1 hour before eating or 2 hours after eating.

The recommended dosage of metronidazole may vary depending on the individual's condition and response to treatment. Your healthcare provider will determine the appropriate dosage and administration instructions. Take the medication exactly as prescribed, and inform your doctor if you begin to experience any side effects while taking the medication.

What should I do if I miss a dose?

If you miss a dose, take it as soon as you remember it. If it's almost time for another dose of metronidazole, skip the missed dose and take your next dose as scheduled. Do not take or apply a double dose of metronidazole.

What do I do if I'm feeling better?

Do not discontinue or alter your metronidazole dosage without consulting with your healthcare provider. Follow your healthcare provider's instructions regarding dosing and other recommendations for taking metronidazole.

How should I store metronidazole?

Store metronidazole as directed by your healthcare provider or pharmacist. Proper storage is essential to maintain the medication's effectiveness. Metronidazole should be stored at room temperature, away from excessive heat, light, and moisture.

Keep the medication out of the reach of children and ensure that the container is tightly closed.