Didn't work as expected after Cefovecin (Convenia) in cats

1,260 reports to the FDA describe didn't work as expected in cats given Cefovecin. That is 15% of all reports for this medicine, compared with 8.7% across reports for all cat medicines, so it is reported unusually often with this medicine.

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How soon it started

How the animals did

Problems reported at the same time

Age of the animals

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 didn't work as expected in cats?

1,260 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 9 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 work as expected with similar medicines

• Didn't work as expected after Amoxicillin + Clavulanate (Clavamox) 410 reports · 17% of its reports
• Didn't work as expected after Enrofloxacin (Baytril) 51 reports · 3.2% of its reports
• Didn't work as expected after Amoxicillin 49 reports · 9.6% of its reports
• Didn't work as expected after Metronidazole 33 reports · 8.4% of its reports
• Didn't work as expected after Doxycycline 35 reports · 14% of its reports

All reported side effects of Cefovecin in cats · Medicines most reported with didn't work as expected