Credelio
Monthly flea and tick chewable. Fast knockdown - fleas typically die within 4 hours. Active ingredient: lotilaner.
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.
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.
Why it costs more at the vet
Elanco-branded oral parasiticide. CMA flagged parasiticides as the single biggest source of vet price unfairness.
Common side effects
- Mild vomiting (uncommon)
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".
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.
Common questions
- 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.
Similar medications
Track Credelio price drops
We'll email when Credelio drops in price at any of the pharmacies above.
Stop overpaying for Credelio.
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 2026-05-15. Pharmacies change prices regularly — always confirm before purchase. Not medical advice.