Excessive urination after Amoxicillin + Clavulanate (Clavamox) in dogs

176 reports to the FDA describe excessive urination in dogs given Amoxicillin + Clavulanate. That is 3.3% of all reports for this medicine, compared with 1.0% across reports for all dog medicines, so it is reported unusually often with this medicine.

176Reports
53%Marked serious
7.4%Recovered
15%Died or euthanised
14 daysTypical onset
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How soon it started

Same day
14 12%
1–2 days
13 11%
3–7 days
20 17%
1–4 weeks
29 25%
Over a month
41 35%

How the animals did

Recovered
10 5.7%
Recovered with lasting effects
3 1.7%
Still unwell when reported
78 44%
Died
13 7.4%
Euthanised
13 7.4%
Not known
59 34%

Problems reported at the same time

Age of the animals

Under 1 year
14
1–3 years
10
4–7 years
44
8–11 years
64
12+ years
40

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 excessive urination in dogs?
176 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 14 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).

Excessive urination with similar medicines

All reported side effects of Amoxicillin + Clavulanate in dogs · Medicines most reported with excessive urination