# Robenatail (Robenacoxib) Dose for Cats: Strengths & Dose Calculator

> Robenatail is a 6 mg robenacoxib tablet for cats from Vivaldis (India), in strips of 3. No label dose was found online; robenacoxib for cats on the US Onsior label is 1…

- Source page: https://wevet.in/vet-products/robenatail-robenacoxib/
- Type: Vet product
- Publisher: WeVet
- Updated: 2026-11-02
- Medically reviewed by: Dr. Ravi Baraiya, B.V.Sc. (2026-11-02)
- Audience: veterinarians and veterinary students

Robenatail is a 6 mg robenacoxib tablet for cats from Vivaldis (India), in strips of 3 [1]. No label dose was found online; robenacoxib for cats on the US Onsior label is 1 mg/kg once a day for up to 3 days [2].

- Brand: Robenatail
- Contains: Robenacoxib
- Company: Vivaldis Health and Foods
- Label species: label not available online
- Data from: India

## Strengths

- Robenatail 6 mg tablet: Robenacoxib 6 mg per tablet (reported, [1])

## Dose by species

| Species | Use | Dose | Route | How often | Basis |
|---|---|---|---|---|---|
| Cats | Post-operative pain (tablets) (Cats ≥ 2.5 kg and ≥ 4 months old.) | 1 mg/kg [2] | PO | Once daily · Maximum 3 days | Reference — robenacoxib |
| Cats | Post-operative pain (injection) (First dose about 30 minutes before surgery.) | 2 mg/kg [4] | SC | Once daily · Maximum 3 days | Reference — robenacoxib |

## Warnings and precautions

- The US Onsior label: not for cats under 2.5 kg; robenacoxib can prolong the QT interval [2].


Interactive dose calculator (strength prefilled only when confirmed): use the page link above.

## Frequently asked questions

### What is in Robenatail?

Robenacoxib 6 mg per tablet [1].

### What is the Robenatail dose for cats?

No brand label dose was found online; robenacoxib 6 mg tablets for cats are labelled in the US at 1 mg/kg once a day for up to 3 days [2].

## References

[1] Vivaldis Robenatail (Robenacoxib 6mg) Painkiller Tablet for Cats — Supertails (retail listing) (2026). https://supertails.com/products/vivaldis-robenatail-tablet-for-cats
[2] ONSIOR (robenacoxib) 6 mg tablets for cats — FDA labeling — Animal Drugs @ FDA — US label (reference product) (2026). https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadLabeling/743
[3] Nonsteroidal Anti-inflammatory Drugs in Animals — Merck Veterinary Manual — S. H. Edwards (updated Sep 2024) (2024). https://www.merckvetmanual.com/pharmacology/inflammation/nonsteroidal-anti-inflammatory-drugs-in-animals
[4] ONSIOR (robenacoxib) injection — FDA labeling — Animal Drugs @ FDA — US label, Elanco (2026). https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadLabeling/745

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Numbers in [brackets] cite the references above. For veterinary professionals. Information supports — never replaces — clinical judgement; always check the current product label and local regulations.
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