Metronidazole

What is Metronidazole?

  • Metronidazole is an antibiotic used to treat bacterial and parasitic infections, helping your body fight off harmful microorganisms.

How Does it Work and Why is it Important to Take?

  • Metronidazole stops bacteria and parasites from growing, helping your body fight infections. It's vital to take it as directed to fully recover and prevent the infection from returning.

The Dose of The Medication

  • The dose and duration of metronidazole depend on the type and severity of the infection.

How and When to Take It

  • Metronidazole can be taken with or without food, but if it causes stomach upset, taking it with food may help.

  • Complete the prescribed course even if you feel better.

What to Expect

  • You'll typically feel better within a few days, but it may take longer for some infections.

What to Do if You Miss a Dose

  • Take the missed dose as soon as you remember. If it's close to your next dose, skip the missed one. Never double up on doses.

Possible Side Effects

  • Nausea and vomiting

  • Diarrhoea

  • Metallic taste

  • Furry tongue

Management of Side Effects

  • Click here for common side effects and how to manage them.

  • If you experience a metallic taste, try sugar-free chewing gum.

  • If you develop a furry tongue, it could be thrush; consult your local pharmacy or GP clinician.

  • Some side effects improve as your body adjusts.

  • If severe, persistent or bothersome side effects occur, consult your GP, local pharmacy, or NHS 111.

Common Interactions

  • Inform your clinician about all medications, including over-the-counter and herbal supplements. Avoid alcohol-containing medications.

Special Warnings

  • Avoid alcohol consumption while taking Metronidazole and for 48 hours after, as it can cause severe nausea, vomiting, flushing, and headache.

Monitoring Your Progress

  • No regular monitoring is required. If your condition worsens or doesn't improve after completing the course, contact your GP clinician or NHS 111.

Where to Find More Information and Who to Contact

  • Refer to the patient information leaflet and the NHS website for more details.

  • If you have questions or experience unusual symptoms, contact your GP clinician, local pharmacy, or NHS 111.