Cefazolin side effects in cats

113 reports sent to the FDA between 2012 and 2026 involve Cefazolin in cats. The most reported problems were loss of appetite, lethargy, fever. 56% were marked serious.

113Reports
56%Marked serious
0.0%Only medicine involved
13%Recovered
29%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

29 26%
25 22%
Liver problems
15 13%
Kidney problems
15 13%
Breathing problems
13 12%
Dehydration
12 11%
Weight loss
10 8.8%
Blood problems
10 8.8%
Itching
10 8.8%
Hyperglycaemia
10 8.8%
Hypothermia
9 8.0%
Swelling
9 8.0%
Vomiting
7 6.2%

Share = percentage of this medicine's reports that mention the problem. One report can list several problems.

Reports that it didn't work

Some reports are about the medicine not working (for example a cat still getting fleas or heartworm), not about a side effect.

Didn't work as expected
4 3.5%

How soon problems started

Same day
37 37%
1–2 days
27 27%
3–7 days
15 15%
1–4 weeks
9 9.0%
Over a month
12 12%

Time from the first dose to the first sign, where both dates were reported (100 reports).

How the animals did

Recovered
15 13%
Still unwell when reported
39 35%
Died
20 18%
Euthanised
13 12%
Not known
26 23%

Breeds named most often

Popular breeds appear more often because there are more of them.

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