Diarrhea after Amoxicillin + Clavulanate (Clavamox) in dogs

The FDA has received 505 reports of diarrhea in dogs after Amoxicillin + Clavulanate. That is 9.4% of all reports for this medicine, compared with 8.4% across reports for all dog medicines.

505Reports
42%Marked serious
14%Recovered
20%Died or euthanised
7 daysTypical onset
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How soon it started

Same day
57 17%
1–2 days
59 18%
3–7 days
53 16%
1–4 weeks
71 21%
Over a month
95 28%

How the animals did

Recovered
68 13%
Recovered with lasting effects
2 0.4%
Still unwell when reported
158 31%
Died
52 10%
Euthanised
51 10%
Not known
174 34%

Problems reported at the same time

Age of the animals

Under 1 year
89
1–3 years
79
4–7 years
98
8–11 years
124
12+ years
98

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 diarrhea in dogs?
505 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 7 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).

Diarrhea with similar medicines

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