Loss of appetite after Masitinib Mesylate in dogs

The FDA has received 28 reports of loss of appetite in dogs after Masitinib Mesylate. That is 18% 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.

28Reports
0.0%Marked serious
32%Recovered
11%Died or euthanised
–Typical onset
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How the animals did

Recovered
7 25%
Recovered with lasting effects
2 7.1%
Died
2 7.1%
Euthanised
1 3.6%
Not known
16 57%

Problems reported at the same time

16 57%
13 46%
Swelling
6 21%
Kidney problems
6 21%
Hypoproteinaemia
6 21%

Age of the animals

Under 1 year
0
1–3 years
1
4–7 years
9
8–11 years
11
12+ years
6

About this medicine

Type: medicine.

Questions owners ask

Can Masitinib Mesylate cause loss of appetite in dogs?
28 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.
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 Masitinib Mesylate in dogs · Medicines most reported with loss of appetite