Trazodone side effects in dogs

2,530 reports sent to the FDA between 2011 and 2026 involve Trazodone in dogs. The most reported problems were vomiting, loss of appetite, lethargy. 50% were marked serious, and where it was recorded, signs eased after stopping the medicine in 88% of cases.

2,530Reports
50%Marked serious
0.2%Only medicine involved
24%Recovered
10%Died or euthanised
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About this medicine

Trazodone reduces anxiety and stress.

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 fleas
12 0.5%
Didn't stop ticks
10 0.4%

How soon problems started

Same day
465 24%
1–2 days
252 13%
3–7 days
180 9.3%
1–4 weeks
307 16%
Over a month
737 38%

Time from the first dose to the first sign, where both dates were reported (1,941 reports).

How the animals did

Recovered
606 24%
Recovered with lasting effects
4 0.2%
Still unwell when reported
986 39%
Died
93 3.7%
Euthanised
161 6.4%
Not known
680 27%

Breeds named most often

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

Other behaviour or anxiety medicines for dogs