Metronidazole
Antibiotic and anti-protozoal — used in dogs for Giardia, anaerobic dental infections, colitis flare-ups and IBD. Bitter taste is the practical challenge for liquid formulations. Active ingredient: metronidazole.
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Pick your dog's weight (and optionally your vet's actual quote) to see the exact monthly and annual saving. The price comparison table below sorts pharmacies by cheapest first; we never sort by commission.
Based on a 15 kg dog, recommended strength: 200 mg. Assumes 12 months of continuous use (chronic dosing) and one written prescription per year. CMA Order caps the prescription fee at £21 for the first medicine, plus £12.50 per additional medicine on the same prescription. Prices are indicative and last verified 2026-05-16. Always confirm the current price on the pharmacy site before purchase.
Why it costs more at the vet
Generic; pricing varies by tablet count. Dispensary mark-up sits highest on the smaller (200 mg) tablet because puppies and small breeds need lower doses.
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How to get a written prescription
The CMA Order is legally binding by 23 September 2026. Every UK vet must offer a written prescription on request, with the fee capped at £21 for the first medicine plus £12.5 per additional medicine on the same prescription. Take the prescription to any VMD-approved online pharmacy listed above.
Track Metronidazole price drops
We'll email when Metronidazole drops in price at any of the pharmacies above.
Stop overpaying for Metronidazole.
Same medicine, same regulator, same vet relationship, half the price. Five-minute switch from in-clinic dispensing to a VMD-approved online pharmacy.
Pricing data status: indicative. Last verified 2026-05-16. Pharmacies change prices regularly, always confirm before purchase. Not medical advice.