Cyanosis after Cefovecin (Convenia) in dogs

The FDA has received 43 reports of cyanosis in dogs after Cefovecin. That is 1.1% 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.

43Reports

84%Marked serious

14%Recovered

44%Died or euthanised

Same dayTypical onset

How soon it started

Same day

23 62%

1–2 days

5 14%

3–7 days

4 11%

1–4 weeks

0 0.0%

Over a month

5 14%

How the animals did

Recovered

6 14%

Still unwell when reported

11 26%

Died

13 30%

Euthanised

6 14%

Not known

7 16%

Problems reported at the same time

22 51%

19 44%

17 40%

11 26%

10 23%

9 21%

8 19%

Abnormal radiograph finding

8 19%

Age of the animals

Under 1 year

1–3 years

4–7 years

8–11 years

12+ years

About this medicine

Cefovecin a long-acting antibiotic injection.

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

Questions owners ask

Can Cefovecin cause cyanosis in dogs?: 43 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 the same day 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).

Cyanosis with similar medicines

Cyanosis after Amoxicillin + Clavulanate (Clavamox) 23 reports · 0.4% of its reports

All reported side effects of Cefovecin in dogs · Medicines most reported with cyanosis