Neomycin side effects in cats

77 reports sent to the FDA between 1995 and 2026 involve Neomycin in cats. The most reported problems were hair loss, application site reaction, loss of appetite. 47% were marked serious, and where it was recorded, signs eased after stopping the medicine in 100% of cases.

77Reports
47%Marked serious
22%Only medicine involved
18%Recovered
18%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

26 34%
Application site reaction
18 23%
Loss of appetite
15 19%
Vomiting
15 19%
Itching
14 18%
Lethargy
12 16%
Skin rash or irritation
10 13%
Behaviour change
7 9.1%
Diarrhea
7 9.1%
Skin scab
7 9.1%
Weight loss
6 7.8%
Breathing problems
6 7.8%
Swelling
5 6.5%
Hyperglycaemia
4 5.2%
Vocalising
4 5.2%

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
9 12%
Didn't stop fleas
2 2.6%
Didn't stop mites
1 1.3%
Didn't stop worms
1 1.3%

How soon problems started

Same day
17 29%
1–2 days
13 22%
3–7 days
13 22%
1–4 weeks
9 16%
Over a month
6 10%

Time from the first dose to the first sign, where both dates were reported (58 reports).

How the animals did

Recovered
14 18%
Still unwell when reported
27 35%
Died
8 10%
Euthanised
6 7.8%
Not known
22 29%

Breeds named most often

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

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