Hydromorphone side effects in dogs

1,061 reports sent to the FDA between 2007 and 2026 involve Hydromorphone in dogs. The most reported problems were loss of appetite, vomiting, swelling. 63% were marked serious, and where it was recorded, signs eased after stopping the medicine in 67% of cases.

1,061Reports
63%Marked serious
2.0%Only medicine involved
42%Recovered
18%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

Share = percentage of this medicine's reports that mention the problem. One report can list several problems.

Reports that it didn't work

Some reports are about the medicine not working (for example a dog still getting fleas or heartworm), not about a side effect.

Didn't stop worms
5 0.5%
Didn't prevent heartworm
2 0.2%
Didn't stop ticks
1 0.1%

How soon problems started

Same day
489 51%
1–2 days
165 17%
3–7 days
117 12%
1–4 weeks
101 11%
Over a month
87 9.1%

Time from the first dose to the first sign, where both dates were reported (959 reports).

How the animals did

Recovered
441 42%
Recovered with lasting effects
6 0.6%
Still unwell when reported
269 25%
Died
108 10%
Euthanised
85 8.0%
Not known
152 14%

Breeds named most often

Popular breeds appear more often because there are more of them.

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