Blood in urine after Carprofen (Rimadyl) in dogs

225 reports to the FDA describe blood in urine in dogs given Carprofen. That is 0.5% of all reports for this medicine, compared with 0.2% across reports for all dog medicines, so it is reported unusually often with this medicine.

225Reports
57%Marked serious
12%Recovered
24%Died or euthanised
6 daysTypical onset
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How soon it started

Same day
37 20%
1–2 days
22 12%
3–7 days
33 18%
1–4 weeks
41 23%
Over a month
48 27%

How the animals did

Recovered
25 11%
Recovered with lasting effects
1 0.4%
Still unwell when reported
120 53%
Died
19 8.4%
Euthanised
34 15%
Not known
26 12%

Problems reported at the same time

Age of the animals

Under 1 year
12
1–3 years
31
4–7 years
56
8–11 years
90
12+ years
35

About this medicine

Carprofen relieves pain and inflammation from arthritis or after surgery.

Products with this ingredient include Rimadyl, Novox, Vetprofen. 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 Carprofen cause blood in urine in dogs?
225 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 6 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).

Blood in urine with similar medicines

All reported side effects of Carprofen in dogs · Medicines most reported with blood in urine