Gentamicin side effects in dogs

228 reports sent to the FDA between 1996 and 2026 involve Gentamicin in dogs. The most reported problems were vomiting, loss of appetite, lethargy. 47% were marked serious, and where it was recorded, signs eased after stopping the medicine in 75% of cases.

228Reports
47%Marked serious
17%Only medicine involved
27%Recovered
15%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

59 26%
47 21%
20 8.8%
Behaviour change
18 7.9%
Itching
18 7.9%
Skin rash or irritation
17 7.5%
Wobbliness (ataxia)
15 6.6%
Corneal ulcer
15 6.6%
Blood problems
15 6.6%
Swelling
15 6.6%
Weight loss
14 6.1%
Breathing problems
13 5.7%

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 dog still getting fleas or heartworm), not about a side effect.

Didn't prevent heartworm
6 2.6%
Didn't stop fleas
4 1.8%
Didn't stop worms
3 1.3%

How soon problems started

Same day
26 16%
1–2 days
21 13%
3–7 days
20 12%
1–4 weeks
36 22%
Over a month
64 38%

Time from the first dose to the first sign, where both dates were reported (167 reports).

How the animals did

Recovered
57 25%
Recovered with lasting effects
4 1.8%
Still unwell when reported
55 24%
Died
24 11%
Euthanised
11 4.8%
Not known
77 34%

Breeds named most often

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

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