Pale mucous membrane after Cefazolin in dogs

21 reports to the FDA describe pale mucous membrane in dogs given Cefazolin. That is 5.0% of all reports for this medicine, compared with 0.7% across reports for all dog medicines, so it is reported unusually often with this medicine.

21Reports
100%Marked serious
4.8%Recovered
95%Died or euthanised
3 daysTypical onset
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How soon it started

Same day
4 24%
1–2 days
4 24%
3–7 days
4 24%
1–4 weeks
4 24%
Over a month
1 5.9%

How the animals did

Recovered
1 4.8%
Died
9 43%
Euthanised
11 52%

Problems reported at the same time

Age of the animals

Under 1 year
4
1–3 years
7
4–7 years
2
8–11 years
6
12+ years
1

About this medicine

Type: medicine.

Questions owners ask

Can Cefazolin cause pale mucous membrane in dogs?
21 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).

Pale mucous membrane with similar medicines

All reported side effects of Cefazolin in dogs · Medicines most reported with pale mucous membrane