Head shake - ear disorder after Florfenicol + Mometasone + Terbinafine in cats

The FDA has received 66 reports of head shake - ear disorder in cats after Florfenicol + Mometasone + Terbinafine. That is 9.5% of all reports for this medicine, compared with 0.2% across reports for all cat medicines, so it is reported unusually often with this medicine.

66Reports
64%Marked serious
14%Recovered
0.0%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
37 60%
1–2 days
17 27%
3–7 days
3 4.8%
1–4 weeks
3 4.8%
Over a month
2 3.2%

How the animals did

Recovered
5 7.6%
Recovered with lasting effects
4 6.1%
Still unwell when reported
21 32%
Not known
36 55%

Problems reported at the same time

Loss of appetite
36 55%
Wobbliness (ataxia)
33 50%
Falling
17 26%
Third eyelid protrusion
16 24%
Horner's syndrome
16 24%
Behaviour change
14 21%
Head tilt - ear disorder
13 20%
Nystagmus
11 17%

Age of the animals

Under 1 year
2
1–3 years
7
4–7 years
24
8–11 years
18
12+ years
12

About this medicine

Type: medicine.

Questions owners ask

Can Florfenicol + Mometasone + Terbinafine cause head shake - ear disorder in cats?
66 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 the same 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).

Head shake - ear disorder with similar medicines

All reported side effects of Florfenicol + Mometasone + Terbinafine in cats · Medicines most reported with head shake - ear disorder