Didn't prevent heartworm after Deracoxib (Deramaxx) in dogs

46 reports to the FDA describe didn't prevent heartworm in dogs given Deracoxib. That is 0.4% of all reports for this medicine, compared with 13% across reports for all dog medicines, so it is reported less often than average with this medicine.

46Reports
30%Marked serious
8.7%Recovered
0.0%Died or euthanised
–Typical onset
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How the animals did

Recovered
1 2.2%
Recovered with lasting effects
3 6.5%
Still unwell when reported
12 26%
Not known
30 65%

Problems reported at the same time

Didn't work as expected
14 30%
Weight gain
6 13%
Drug dose omission
6 13%
Arthritis
5 11%
Lethargy
4 8.7%
Lameness
4 8.7%
Liver problems
4 8.7%
Pain
3 6.5%

Age of the animals

Under 1 year
0
1–3 years
16
4–7 years
13
8–11 years
13
12+ years
4

About this medicine

Deracoxib relieves pain and inflammation from arthritis or after surgery.

Products with this ingredient include Deramaxx. 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 Deracoxib cause didn't prevent heartworm in dogs?
46 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.
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 prevent heartworm with similar medicines

All reported side effects of Deracoxib in dogs · Medicines most reported with didn't prevent heartworm