# Onsior 20 mg/ml Solution for Injection for Cats and Dogs

- Page: https://medicines.praxisos.vet/m/onsior-20-mg-ml-solution-for-injection-for-cats-and-dogs-a007662
- What you need to buy it: Needs a prescription from your vet. (POM-V — Prescription-only medicine — veterinarian)
- Active ingredients: Robenacoxib
- Form: Solution for injection; for Cats, Dogs
- VMD product A007662, authorisation 52127/5021, held by Elanco GmbH

## Prices

Cheapest per dose: **£2.00 per ml** at Vets4u (£40.08 for 20 ml).

| Pharmacy | Pack | Price | VAT | Per dose | Stock | Last checked | Compared |
| --- | --- | --- | --- | --- | --- | --- | --- |
| [Vets4u](<https://www.vets4u.uk/onsior-injection-20mg-ml-cat-dog-20ml-for-cats>) | 20 ml | £40.08 | not stated | £2.00/ml | in-stock | 2026-10-05 | yes |

A written prescription from your vet is capped at £21.40 for the first medicine and £12.70 for each additional medicine on the same prescription, including VAT under the CMA's Order, after 22 March 2027 at large groups and after 22 September 2027 at other practices. Request template: https://medicines.praxisos.vet/ask-for-a-prescription

## Same active ingredient (ask your vet before switching)

- [Robenord 20 mg/ml Solution for Injection for Cats and Dogs](https://medicines.praxisos.vet/m/robenord-20-mg-ml-solution-for-injection-for-cats-and-dogs-a014113)
- [Robexera 20 mg/ml Solution for Injection for Cats and Dogs](https://medicines.praxisos.vet/m/robexera-20-mg-ml-solution-for-injection-for-cats-and-dogs-a013933)

Not veterinary advice: give the medicine, strength and dose your vet prescribed.