Sneezing after Cefovecin (Convenia) in cats

The FDA has received 125 reports of sneezing in cats after Cefovecin. That is 1.4% of all reports for this medicine, compared with 0.6% across reports for all cat medicines, so it is reported unusually often with this medicine.

125Reports
48%Marked serious
15%Recovered
18%Died or euthanised
4 daysTypical onset
SponsoredWorried about your pet? Ask a veterinarian online, 24/7

How soon it started

Same day
19 20%
1–2 days
22 23%
3–7 days
23 24%
1–4 weeks
23 24%
Over a month
9 9.4%

How the animals did

Recovered
19 15%
Still unwell when reported
49 39%
Died
10 8.0%
Euthanised
12 9.6%
Not known
35 28%

Problems reported at the same time

Loss of appetite
57 46%
Lethargy
46 37%
Nasal discharge
28 22%
Death
22 18%
Ocular discharge
21 17%
Fever
20 16%
Vomiting
19 15%
Didn't work as expected
17 14%

Age of the animals

Under 1 year
8
1–3 years
22
4–7 years
34
8–11 years
21
12+ years
34

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 sneezing in cats?
125 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 4 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).

Sneezing with similar medicines

All reported side effects of Cefovecin in cats · Medicines most reported with sneezing