Breathing problems after Amoxicillin + Clavulanate (Clavamox) in cats

134 reports to the FDA describe breathing problems in cats given Amoxicillin + Clavulanate. That is 5.6% of all reports for this medicine, compared with 4.7% across reports for all cat medicines.

134Reports
47%Marked serious
13%Recovered
45%Died or euthanised
3 daysTypical onset
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How soon it started

Same day
21 25%
1–2 days
19 23%
3–7 days
18 22%
1–4 weeks
19 23%
Over a month
6 7.2%

How the animals did

Recovered
17 13%
Recovered with lasting effects
1 0.7%
Still unwell when reported
22 16%
Died
51 38%
Euthanised
9 6.7%
Not known
34 25%

Problems reported at the same time

Age of the animals

Under 1 year
24
1–3 years
20
4–7 years
34
8–11 years
26
12+ years
27

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 breathing problems in cats?
134 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 3 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).

Breathing problems with similar medicines

All reported side effects of Amoxicillin + Clavulanate in cats · Medicines most reported with breathing problems