Liver problems after Methocarbamol in dogs

106 reports to the FDA describe liver problems in dogs given Methocarbamol. That is 17% 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.

106Reports
75%Marked serious
5.7%Recovered
31%Died or euthanised
7 daysTypical onset
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How soon it started

Same day
15 18%
1–2 days
14 17%
3–7 days
13 16%
1–4 weeks
22 27%
Over a month
19 23%

How the animals did

Recovered
6 5.7%
Still unwell when reported
49 46%
Died
8 7.5%
Euthanised
25 24%
Not known
18 17%

Problems reported at the same time

Age of the animals

Under 1 year
2
1–3 years
11
4–7 years
25
8–11 years
41
12+ years
26

About this medicine

Type: medicine.

Questions owners ask

Can Methocarbamol cause liver problems in dogs?
106 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 7 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 Methocarbamol in dogs · Medicines most reported with liver problems