Leucopenia after Cefovecin (Convenia) in dogs

63 reports to the FDA describe leucopenia in dogs given Cefovecin. That is 1.7% of all reports for this medicine, compared with 0.3% across reports for all dog medicines, so it is reported unusually often with this medicine.

63Reports

62%Marked serious

6.3%Recovered

37%Died or euthanised

5 daysTypical onset

How soon it started

Same day

8 20%

1–2 days

8 20%

3–7 days

6 15%

1–4 weeks

10 24%

Over a month

9 22%

How the animals did

Recovered

4 6.3%

Still unwell when reported

24 38%

Died

18 29%

Euthanised

5 7.9%

Not known

12 19%

Problems reported at the same time

35 56%

31 49%

30 48%

25 40%

24 38%

23 37%

21 33%

20 32%

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 leucopenia in dogs?: 63 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 5 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).

Leucopenia with similar medicines

Leucopenia after Amoxicillin + Clavulanate (Clavamox) 81 reports · 1.5% of its reports
Leucopenia after Doxycycline 55 reports · 1.4% of its reports
Leucopenia after Enrofloxacin (Baytril) 81 reports · 2.1% of its reports
Leucopenia after Metronidazole 72 reports · 2.3% of its reports

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