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Credelio price comparison UK

Monthly flea and tick chewable. Fast knockdown - fleas typically die within 4 hours. Active ingredient: lotilaner. Below: compare UK vet prices with VMD-approved online pharmacies for your dog's weight.

Typical vet price
£16.00–£24.00/mo
indicative UK range
Cheapest online
£4.65/mo
Pet Drugs Online
Annual saving
£136.20–£232.20
after £21 prescription fee: £115.20–£211.20
Based on a 15 kg dog, recommended strength: 450 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.
PharmacyPackPack priceMonthly costBuy
Pet Drugs Online
VMD approved · Free over £39
3 chewables£13.95
£4.65
Best value
Buy from Pet Drugs Online
Animed Direct
VMD approved · Free over £29, next-day available
3 chewables£14.79
£4.93
Buy from Animed Direct
VetUK
VMD approved · Free over £29
3 chewables£15.76
£5.25
Buy from VetUK

What Credelio treats

Monthly flea and tick chewable. Fast knockdown - fleas typically die within 4 hours.

Why it costs more at the vet

Elanco-branded oral parasiticide. CMA flagged parasiticides as the single biggest source of vet price unfairness.

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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. We have a short guide with a template email you can send to your practice.

Read the full prescription guide →

Common side effects

  • Mild vomiting (uncommon)

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

FAQ

Credelio vs NexGard - which is better?
Both are isoxazoline-class oral parasiticides with similar efficacy. Pick based on price and what your dog accepts.
Does Credelio cover worms?
No - Credelio is fleas and ticks only. Credelio Plus adds a wormer.

Related reading

Related medications

Track Credelio price drops

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

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