Liver problems after Prednisolone + Trimeprazine in dogs

247 reports to the FDA describe liver problems in dogs given Prednisolone + Trimeprazine. That is 12% of all reports for this medicine, compared with 4.6% across reports for all dog medicines, so it is reported unusually often with this medicine.

247Reports
32%Marked serious
7.3%Recovered
20%Died or euthanised
18 daysTypical onset
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How soon it started

Same day
23 18%
1–2 days
9 7.0%
3–7 days
14 11%
1–4 weeks
32 25%
Over a month
51 40%

How the animals did

Recovered
11 4.5%
Recovered with lasting effects
7 2.8%
Still unwell when reported
125 51%
Died
24 9.7%
Euthanised
26 11%
Not known
54 22%

Problems reported at the same time

Age of the animals

Under 1 year
7
1–3 years
25
4–7 years
66
8–11 years
93
12+ years
50

About this medicine

Prednisolone reduces inflammation and immune activity.

Steroids commonly cause increased thirst, urination and appetite, especially at higher doses.

Questions owners ask

Can Prednisolone + Trimeprazine cause liver problems in dogs?
247 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 18 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).

Liver problems with similar medicines

All reported side effects of Prednisolone + Trimeprazine in dogs · Medicines most reported with liver problems