Loss of hearing after Gentamicin + Miconazole in dogs

40 reports to the FDA describe loss of hearing in dogs given Gentamicin + Miconazole. That is 11% of all reports for this medicine, compared with 0.2% across reports for all dog medicines, so it is reported unusually often with this medicine.

40Reports
30%Marked serious
45%Recovered
0.0%Died or euthanised
4 daysTypical onset
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How soon it started

Same day
4 10%
1–2 days
5 13%
3–7 days
24 60%
1–4 weeks
6 15%
Over a month
1 2.5%

How the animals did

Recovered
12 30%
Recovered with lasting effects
6 15%
Still unwell when reported
1 2.5%
Not known
21 53%

Problems reported at the same time

Urinary incontinence
1 2.5%
Behaviour change
1 2.5%
Head shake - ear disorder
1 2.5%
Excessive thirst
1 2.5%
Excessive urination
1 2.5%
Swelling
1 2.5%
Otitis
1 2.5%
Internal ear disorder
1 2.5%

Age of the animals

Under 1 year
0
1–3 years
1
4–7 years
3
8–11 years
16
12+ years
18

About this medicine

Type: medicine.

Questions owners ask

Can Gentamicin + Miconazole cause loss of hearing in dogs?
40 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 4 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).

Loss of hearing with similar medicines

All reported side effects of Gentamicin + Miconazole in dogs · Medicines most reported with loss of hearing