Vestibular disorder after Florfenicol + Mometasone + Terbinafine in dogs

The FDA has received 220 reports of vestibular disorder in dogs after Florfenicol + Mometasone + Terbinafine. That is 6.2% 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.

220Reports
65%Marked serious
21%Recovered
7.7%Died or euthanised
1 daysTypical onset
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How soon it started

Same day
93 48%
1–2 days
34 18%
3–7 days
22 11%
1–4 weeks
29 15%
Over a month
16 8.2%

How the animals did

Recovered
46 21%
Recovered with lasting effects
1 0.5%
Still unwell when reported
72 33%
Died
2 0.9%
Euthanised
15 6.8%
Not known
84 38%

Problems reported at the same time

Age of the animals

Under 1 year
2
1–3 years
30
4–7 years
59
8–11 years
53
12+ years
64

About this medicine

Type: medicine.

Questions owners ask

Can Florfenicol + Mometasone + Terbinafine cause vestibular disorder in dogs?
220 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 1 day 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).

Vestibular disorder with similar medicines

All reported side effects of Florfenicol + Mometasone + Terbinafine in dogs · Medicines most reported with vestibular disorder