Didn't stop fleas after Carprofen (Rimadyl) in dogs

59 reports to the FDA describe didn't stop fleas in dogs given Carprofen. That is 0.1% of all reports for this medicine, compared with 6.2% across reports for all dog medicines, so it is reported less often than average with this medicine.

59Reports
12%Marked serious
20%Recovered
1.7%Died or euthanised
81 daysTypical onset
SponsoredWorried about your pet? Ask a veterinarian online, 24/7

How soon it started

Same day
5 14%
1–2 days
0 0.0%
3–7 days
2 5.6%
1–4 weeks
6 17%
Over a month
23 64%

How the animals did

Recovered
8 14%
Recovered with lasting effects
4 6.8%
Still unwell when reported
7 12%
Died
1 1.7%
Not known
39 66%

Problems reported at the same time

Age of the animals

Under 1 year
4
1–3 years
6
4–7 years
13
8–11 years
15
12+ years
20

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 didn't stop fleas in dogs?
59 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 81 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).

Didn't stop fleas with similar medicines

All reported side effects of Carprofen in dogs · Medicines most reported with didn't stop fleas