Vestibular disorder after Maropitant (Cerenia) in dogs

114 reports to the FDA describe vestibular disorder in dogs given Maropitant. That is 1.0% 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.

114Reports
78%Marked serious
12%Recovered
25%Died or euthanised
2 daysTypical onset
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How soon it started

Same day
28 31%
1–2 days
18 20%
3–7 days
8 9.0%
1–4 weeks
17 19%
Over a month
18 20%

How the animals did

Recovered
13 11%
Recovered with lasting effects
1 0.9%
Still unwell when reported
44 39%
Died
14 12%
Euthanised
15 13%
Not known
27 24%

Problems reported at the same time

Age of the animals

Under 1 year
3
1–3 years
6
4–7 years
22
8–11 years
36
12+ years
44

About this medicine

Maropitant prevents vomiting and motion sickness.

Products with this ingredient include Cerenia. The FDA hides brand names in its public data, so these reports cover every product with the same active ingredients.

Questions owners ask

Can Maropitant cause vestibular disorder in dogs?
114 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 2 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).

All reported side effects of Maropitant in dogs · Medicines most reported with vestibular disorder