Pain & arthritis Dogs

Firocoxib (Previcox) for dogs

Treats pain and inflammation from arthritis, surgery or injury in dogs. [1]

Last reviewed: October 2026 · 4 sources · see sources

Quick answerFirocoxib is a prescription medicine for dogs. A COX-2 selective NSAID. The most common side effects: vomiting and low appetite.

Key facts

Generic nameFirocoxib
Common brand namesPrevicox
Used inDogs
TypePain & arthritis
Prescription?Prescription
Typical US priceNot listed (no reliable public source)

What it's used for

Treats pain and inflammation from arthritis, surgery or injury in dogs. [1]

How it works

A COX-2 selective NSAID. [1]

Side effects and cautions

Common side effects: Vomiting and low appetite. Serious stomach, kidney or liver problems are rare but possible. [1]

Use with care: Not for dogs under seven months old or dogs on a steroid or another NSAID. [1] [2] [3]

Call your vet right away if your pet has trouble breathing, facial swelling, hives, collapse, or any side effect that is severe or getting worse.

About dosingDosing is your vet's call. We don't list doses because the right amount depends on your pet's weight, age, health and other medicines. Don't change a dose or stop a medicine without asking your vet, and never give a pet medicine meant for people unless your vet tells you to [4].

What it costs

We don't list a price for this one because we couldn't find a reliable public source. Ask your vet or pharmacy for a quote; prices depend on your pet's size, the dose and where you fill it.

Firocoxib FAQ

What is Firocoxib used for in dogs?

Treats pain and inflammation from arthritis, surgery or injury in dogs.

What are the side effects of Firocoxib?

Vomiting and low appetite. Serious stomach, kidney or liver problems are rare but possible.

Does Firocoxib need a prescription?

Yes. It needs a prescription from a veterinarian.

How much Firocoxib should I give my pet?

Only your veterinarian can tell you. The right dose depends on your pet's weight, health and other medicines, so we don't list doses. Never give a pet a medicine prescribed for a person or another animal without asking your vet.

Related medications

Related cost guides

This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.

Sources (4) — tap to show
  1. VCA Animal Hospitals – Firocoxib (veterinary drug handout)
  2. FDA – Get the facts about pain relievers for pets
  3. Merck Veterinary Manual – NSAIDs in animals
  4. FDA – Frequently asked questions about animal drugs