Loss of appetite after Terbinafine in dogs

The FDA has received 26 reports of loss of appetite in dogs after Terbinafine. That is 19% of all reports for this medicine, compared with 8.4% across reports for all dog medicines, so it is reported unusually often with this medicine.

26Reports
62%Marked serious
15%Recovered
23%Died or euthanised
13 daysTypical onset
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How soon it started

Same day
1 4.3%
1–2 days
6 26%
3–7 days
1 4.3%
1–4 weeks
7 30%
Over a month
8 35%

How the animals did

Recovered
3 12%
Recovered with lasting effects
1 3.8%
Still unwell when reported
10 38%
Died
1 3.8%
Euthanised
5 19%
Not known
6 23%

Problems reported at the same time

11 42%
11 42%
Liver problems
8 31%
Itching
7 27%
Weight loss
6 23%
Diarrhea
4 15%
Tremors
4 15%
Death
4 15%

Age of the animals

Under 1 year
1
1–3 years
5
4–7 years
6
8–11 years
8
12+ years
6

About this medicine

Type: medicine.

Questions owners ask

Can Terbinafine cause loss of appetite in dogs?
26 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 13 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 appetite with similar medicines

All reported side effects of Terbinafine in dogs · Medicines most reported with loss of appetite