£Vet Bill Saver
Antibiotic

Clavaseptin

Generic equivalent of Synulox - same active combination, palatable tablet, broad-spectrum cover. Active ingredient: amoxicillin + clavulanate.

£21.00,£31.00
Typical UK vet price per month
CMA / VetHelpDirect
£0.14
Cheapest VMD-approved online (monthly)
Last verified 2026-05-15
£289.00
Annual saving (net of £21 prescription fee)
Indicative, 15 kg dog

Key takeaways

  • Clavaseptin treats generic equivalent of synulox - same active combination, palatable tablet, broad-spectrum cover
  • Typical UK vet price £21 to £31 per month, based on observed dispensary list pricing across UK practices.
  • Cheapest VMD-approved online from around £0.14 per month, versus £0.21 at the upper end of the same six pharmacies.
  • Prescription works the same way, ask your vet for a written Clavaseptin prescription (capped at £21), dispense online.
  • Main side effect to watch for: vomiting, review the full list with your prescribing vet before starting or changing dose.

Live verified pricing

Just checkedLast refreshed 17 May 2026

We checked the pharmacy product page directly. Prices below are the actual per-unit list price for the variant linked, confirm on the pharmacy site before buying.

  • Pet Drugs Online
    Clavaseptin Palatable Tablets for Dogs 250mg
    £0.60per unit
    Visit pharmacy →

See your saving over a year

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.

Typical vet price
£21.00,£31.00/mo
indicative UK range
Cheapest online
no data
Annual saving
,
after £21 prescription fee: £0.00,£0.00

Based on a 15 kg dog, recommended strength: 50 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 2026-05-15. Always confirm the current price on the pharmacy site before purchase.

No online price data yet for Clavaseptin at this strength. We are building the database, check back soon.

Why it costs more at the vet

Vetoquinol's generic combination is the same molecule at less than half the branded Synulox vet price.

Common side effects

  • Vomiting
  • Soft stools

Not a complete list. Always read the patient information leaflet and speak to your vet about side effects.

Ready to switch? It takes 5 minutes.

Copy-paste email template, prescription steps and refill setup. From "I just paid too much at the vet" to "I'm saving £X every month".

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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.

Read the full prescription guide →

Common questions

Is Clavaseptin as effective as Synulox?
Yes - bioequivalent generic.
Will my vet accept Clavaseptin in place of Synulox?
Ask them to write the prescription generically (e.g. 'amoxicillin/clavulanate'). Then you can buy either at the cheapest pharmacy that stocks one.

Track Clavaseptin price drops

We'll email when Clavaseptin drops in price at any of the pharmacies above.

Stop overpaying for Clavaseptin.

Same medicine, same regulator, same vet relationship, half the price. Five-minute switch from in-clinic dispensing to a VMD-approved online pharmacy.

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Pricing data status: indicative. Last verified 2026-05-15. Pharmacies change prices regularly, always confirm before purchase. Not medical advice.