Abnormal radiograph finding after Amoxicillin + Clavulanate (Clavamox) in cats

72 reports to the FDA describe abnormal radiograph finding in cats given Amoxicillin + Clavulanate. That is 3.0% of all reports for this medicine, compared with 1.0% across reports for all cat medicines, so it is reported unusually often with this medicine.

72Reports
43%Marked serious
4.2%Recovered
42%Died or euthanised
4 daysTypical onset
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How soon it started

Same day
8 22%
1–2 days
7 19%
3–7 days
9 24%
1–4 weeks
10 27%
Over a month
3 8.1%

How the animals did

Recovered
2 2.8%
Recovered with lasting effects
1 1.4%
Still unwell when reported
21 29%
Died
20 28%
Euthanised
10 14%
Not known
18 25%

Problems reported at the same time

Age of the animals

Under 1 year
7
1–3 years
12
4–7 years
21
8–11 years
14
12+ years
15

About this medicine

Amoxicillin treats bacterial infections.

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

Questions owners ask

Can Amoxicillin + Clavulanate cause abnormal radiograph finding in cats?
72 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).

Abnormal radiograph finding with similar medicines

All reported side effects of Amoxicillin + Clavulanate in cats · Medicines most reported with abnormal radiograph finding