Collapse after Tramadol in dogs

110 reports to the FDA describe collapse in dogs given Tramadol. That is 2.9% 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.

110Reports
88%Marked serious
15%Recovered
44%Died or euthanised
10 daysTypical onset
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How soon it started

Same day
17 21%
1–2 days
10 12%
3–7 days
11 14%
1–4 weeks
14 17%
Over a month
29 36%

How the animals did

Recovered
16 15%
Recovered with lasting effects
1 0.9%
Still unwell when reported
36 33%
Died
23 21%
Euthanised
25 23%
Not known
9 8.2%

Problems reported at the same time

Age of the animals

Under 1 year
2
1–3 years
12
4–7 years
20
8–11 years
45
12+ years
31

About this medicine

Type: medicine.

Questions owners ask

Can Tramadol cause collapse in dogs?
110 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 10 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).

Collapse with similar medicines

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