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Onsior tablets for dogs: price UK

Onsior tablets for dogs (pain and arthritis): from £0.48 per tablet online (5mg), at Pet Drugs Online, checked 2 November 2026. At a typical amount that’s about £14.40 a month for a dog. Online pharmacies need a written prescription from your vet for prescription medicines, which typically costs £27 at the practices we check.

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Prices by strength

StrengthCheapest per tabletBest-value packOther pharmacies (per tablet)Typical month
5mg£0.48 Pet Drugs OnlineOnsior Tablets for Dogs 5mg Single Tablet: £0.48Animed £0.48£14.40
10mg£0.68 Pet Drugs OnlineOnsior Tablets for Dogs 10mg Single Tablet: £0.68Animed £0.68£20.40
20mg£0.95 Pet Drugs OnlineOnsior Tablets for Dogs 20mg Single Tablet: £0.95Animed £0.95£28.50
40mg£1.25 Pet Drugs OnlineOnsior Tablets for Dogs 40mg Single Tablet: £1.25Animed £1.25£37.50

Cheapest price per tablet across pack sizes, so the biggest pack is often the cheapest per tablet. “Typical month” uses a typical amount (usually 1 or 2 a day: check the label); your pet’s dose may differ. Prices checked weekly, last on 2 November 2026. Always check the final price, including delivery, before you order.

Is it cheaper than buying from your vet?

Often, but not always. Online you pay the medicine price, delivery and your vet’s written prescription fee (typically £27). For a long course, or a medicine your pet takes every month, the saving usually outweighs the fee; for a short course it may not. Ask your practice for its price, then use our medicine savings calculator to compare.

Under the CMA’s new rules, written prescription fees will be capped at £21.40 for the first medicine and £12.70 for each extra one: from 23 March 2027 at large groups and 23 September 2027 at smaller practices.

Questions

How much does Onsior tablets for dogs cost in the UK?

From £0.48 per tablet online at Pet Drugs Online (checked 2 November 2026), about £14.40 a month at a typical amount. Prices vary by strength or size and pack, so check the table on this page.

Do I need a prescription to buy Onsior tablets for dogs online?

Most of the medicines we track need a written prescription from your vet; the pharmacy will tell you if one is needed. Ask your vet for a written prescription and check it shows the medicine, strength and amount.

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Prices are from each online pharmacy’s own product pages, include VAT and exclude delivery. Vet Rate is independent: no pharmacy pays to be listed. Who owns the pharmacies we check: Pet Drugs Online, Inspiring Vet Care; Animed, CVS Group.