Swelling after Firocoxib (Previcox) in dogs

300 reports to the FDA describe swelling in dogs given Firocoxib. That is 3.7% of all reports for this medicine, compared with 2.8% across reports for all dog medicines.

300Reports
34%Marked serious
9.0%Recovered
24%Died or euthanised
4 daysTypical onset
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How soon it started

Same day
24 21%
1–2 days
24 21%
3–7 days
19 17%
1–4 weeks
22 19%
Over a month
24 21%

How the animals did

Recovered
26 8.7%
Recovered with lasting effects
1 0.3%
Still unwell when reported
34 11%
Died
53 18%
Euthanised
19 6.3%
Not known
167 56%

Problems reported at the same time

Age of the animals

Under 1 year
23
1–3 years
47
4–7 years
69
8–11 years
97
12+ years
54

About this medicine

Firocoxib relieves pain and inflammation from arthritis.

Products with this ingredient include Previcox. The FDA hides brand names in its public data, so these reports cover every product with the same active ingredients.

NSAIDs can affect the stomach, liver and kidneys. Vets usually recommend blood tests before and during long-term use.

Questions owners ask

Can Firocoxib cause swelling in dogs?
300 reports link the two, but a report alone does not prove the medicine was the cause: other illnesses, other medicines or coincidence can be involved. Your vet can judge it for your animal.
How soon after a dose was it reported?
In half of the reports with dates, it started within 4 days of the first dose.
What should I do?
Don't give another dose until you've spoken to your vet, and keep the packaging so you can tell them the product and dose. Your vet can also report it to the FDA (or you can, through the manufacturer or FDA form 1932a).

Swelling with similar medicines

All reported side effects of Firocoxib in dogs · Medicines most reported with swelling