Didn't stop worms after Trazodone in dogs

81 reports to the FDA describe didn't stop worms in dogs given Trazodone. That is 3.2% of all reports for this medicine, compared with 8.4% across reports for all dog medicines, so it is reported less often than average with this medicine.

81Reports

22%Marked serious

3.7%Recovered

1.2%Died or euthanised

128 daysTypical onset

How soon it started

Same day

3 6.5%

1–2 days

0 0.0%

3–7 days

1 2.2%

1–4 weeks

7 15%

Over a month

35 76%

How the animals did

Recovered

3 3.7%

Still unwell when reported

17 21%

Euthanised

1 1.2%

Not known

60 74%

Problems reported at the same time

Didn't work as expected

10 12%

Diarrhea

10 12%

Vomiting

6 7.4%

Didn't prevent heartworm

4 4.9%

Loss of appetite

3 3.7%

Breathing problems

3 3.7%

Excessive appetite

3 3.7%

Anal and rectal disorder

3 3.7%

Age of the animals

Under 1 year

1–3 years

4–7 years

8–11 years

12+ years

About this medicine

Trazodone reduces anxiety and stress.

Questions owners ask

Can Trazodone cause didn't stop worms in dogs?: 81 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 128 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).

Didn't stop worms with similar medicines

Didn't stop worms after Gabapentin 97 reports · 1.1% of its reports
Didn't stop worms after Fluoxetine 44 reports · 1.7% of its reports

All reported side effects of Trazodone in dogs · Medicines most reported with didn't stop worms