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Metronidazole
Certain bacterial and parasitic infections, including some dental and gut infections.
General information only, not medical advice, and no doses. Read the leaflet in your pack and ask a pharmacist about your own situation, other medicines, pregnancy or any health condition.
At a glance
| Generic name | Metronidazole |
|---|---|
| Type | Antibiotic (also acts against some parasites) |
| Commonly used for | Certain bacterial and parasitic infections, including some dental and gut infections. |
| With food? | Usually taken with or after food to reduce stomach upset. |
| Alcohol | Do NOT drink alcohol while taking it or for a couple of days afterwards — the combination can cause a strong reaction with flushing, nausea and vomiting. This is the classic, well-known interaction. |
| Timing | Spaced evenly; finish the full course as prescribed. |
Food and drink
Usually taken with or after food to reduce stomach upset. Do NOT drink alcohol while taking it or for a couple of days afterwards — the combination can cause a strong reaction with flushing, nausea and vomiting. This is the classic, well-known interaction.
When to take it
Spaced evenly; finish the full course as prescribed.
Good to know
This is a prescription antibiotic; the alcohol warning applies to mouthwashes and some other products too. If anything about your own use is unclear, a pharmacist can advise for free.
Other common medicines
Paracetamol
Mild to moderate pain such as headache, toothache and muscle aches, and lowering a fever.
Ibuprofen
Pain, inflammation and fever — for example period pain, sprains, back pain and dental pain.
Aspirin
Pain and fever at normal doses; a low daily dose is used, only on medical advice, to reduce clotting risk.
Naproxen
Pain and inflammation, including muscle and joint pain and period pain; it is longer-acting than ibuprofen.
Omeprazole
Heartburn, acid reflux and stomach or gut ulcers.
Loratadine
Hay fever and other allergies, and itchy hives.
Source: General medicine information paraphrased from standard patient-information-leaflet guidance. Always read the leaflet in your pack. · checked 2026-09-04
Frequently asked questions
What is Metronidazole used for?
Certain bacterial and parasitic infections, including some dental and gut infections.
Can I drink alcohol with Metronidazole?
Do NOT drink alcohol while taking it or for a couple of days afterwards — the combination can cause a strong reaction with flushing, nausea and vomiting. This is the classic, well-known interaction.
Should I take Metronidazole with food?
Usually taken with or after food to reduce stomach upset.
See the pattern over time
TempoLife logs symptoms, food and sleep, so you can bring a clear picture to your pharmacist or doctor.