Vomiting after Cefazolin in dogs

129 reports to the FDA describe vomiting in dogs given Cefazolin. That is 31% of all reports for this medicine, compared with 28% across reports for all dog medicines.

129Reports
81%Marked serious
24%Recovered
52%Died or euthanised
6 daysTypical onset
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How soon it started

Same day
21 18%
1–2 days
25 22%
3–7 days
20 18%
1–4 weeks
23 20%
Over a month
25 22%

How the animals did

Recovered
31 24%
Still unwell when reported
21 16%
Died
28 22%
Euthanised
39 30%
Not known
10 7.8%

Problems reported at the same time

Age of the animals

Under 1 year
12
1–3 years
31
4–7 years
41
8–11 years
37
12+ years
5

About this medicine

Type: medicine.

Questions owners ask

Can Cefazolin cause vomiting in dogs?
129 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 6 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).

Vomiting with similar medicines

All reported side effects of Cefazolin in dogs · Medicines most reported with vomiting