# Previcox (Firocoxib) Dose for Dogs: Strengths & Dose Calculator

> Previcox is firocoxib chewable tablets for dogs from Boehringer Ingelheim, in 57 mg and 227 mg strengths. The dose is 5 mg/kg once a day — as needed for osteoarthritis, or for…

- Source page: https://wevet.in/vet-products/previcox-firocoxib/
- 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

Previcox is firocoxib chewable tablets for dogs from Boehringer Ingelheim, in 57 mg and 227 mg strengths [1]. The dose is 5 mg/kg once a day — as needed for osteoarthritis, or for 3 days after surgery [1].

- Brand: Previcox
- Contains: Firocoxib
- Company: Boehringer Ingelheim Animal Health
- Label species: Dogs
- Data from: USA (FDA label)

## Strengths

- Previcox 57 mg chewable tablet: Firocoxib 57 mg per chewable (verified, [1])
- Previcox 227 mg chewable tablet: Firocoxib 227 mg per chewable (verified, [1])

## Dose by species

| Species | Use | Dose | Route | How often | Basis |
|---|---|---|---|---|---|
| Dogs | Osteoarthritis (Label: 2.27 mg/lb (5.0 mg/kg).) | 5 mg/kg [1] | PO | Once daily, as needed | Label |
| Dogs | Post-operative pain and inflammation | 5 mg/kg [1] | PO | Once daily · 3 days, as needed | Label |

## Label directions

- Give 5 mg/kg (2.27 mg/lb) by mouth once a day [1].
- Osteoarthritis: as needed; after soft-tissue or orthopedic surgery: for 3 days as needed [1].

## Warnings and precautions

- Dogs with known hypersensitivity to firocoxib should not receive Previcox [1].
- Do not use above 5 mg/kg in puppies under seven months old [1].
- Do not combine with other NSAIDs or corticosteroids [1].
- Serious adverse reactions to this drug class can occur without warning and, rarely, result in death [1].


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

## Frequently asked questions

### What is the Previcox dose for dogs?

5 mg/kg (2.27 mg/lb) by mouth once a day [1].

### What strengths does Previcox come in?

57 mg and 227 mg half-scored chewable tablets [1].

### Can Previcox be given with prednisolone?

The label warns against using it with other anti-inflammatory drugs such as NSAIDs or corticosteroids [1].

## References

[1] PREVICOX (firocoxib) chewable tablets — label — Drugs.com Vet — US label text, Boehringer Ingelheim (2026). https://www.drugs.com/vet/previcox-firocoxib-chewable-tablets.html
[2] 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
[3] EQUIOXX (firocoxib) — label — VetLabel — US label text, Boehringer Ingelheim (2026). https://vetlabel.com/lib/vet/meds/equioxx-1/

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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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