Loose stool after Tramadol in dogs

The FDA has received 88 reports of loose stool in dogs after Tramadol. That is 2.3% of all reports for this medicine, compared with 0.9% across reports for all dog medicines, so it is reported unusually often with this medicine.

88Reports
58%Marked serious
19%Recovered
17%Died or euthanised
15 daysTypical onset
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How soon it started

Same day
11 17%
1–2 days
5 7.7%
3–7 days
6 9.2%
1–4 weeks
19 29%
Over a month
24 37%

How the animals did

Recovered
13 15%
Recovered with lasting effects
4 4.5%
Still unwell when reported
39 44%
Died
3 3.4%
Euthanised
12 14%
Not known
17 19%

Problems reported at the same time

Age of the animals

Under 1 year
5
1–3 years
12
4–7 years
18
8–11 years
33
12+ years
19

About this medicine

Type: medicine.

Questions owners ask

Can Tramadol cause loose stool in dogs?
88 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 15 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).

Loose stool with similar medicines

All reported side effects of Tramadol in dogs · Medicines most reported with loose stool