Didn't stop worms after Gabapentin in dogs

The FDA has received 97 reports of didn't stop worms in dogs after Gabapentin. That is 1.1% 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.

97Reports

21%Marked serious

3.1%Recovered

1.0%Died or euthanised

160 daysTypical onset

How soon it started

Same day

4 6.3%

1–2 days

0 0.0%

3–7 days

0 0.0%

1–4 weeks

5 7.9%

Over a month

54 86%

How the animals did

Recovered

1 1.0%

Recovered with lasting effects

2 2.1%

Still unwell when reported

26 27%

Died

1 1.0%

Not known

67 69%

Problems reported at the same time

Didn't work as expected

21 22%

18 19%

10 10%

7 7.2%

5 5.2%

5 5.2%

Unclassifiable adverse event

4 4.1%

Breathing problems

3 3.1%

Age of the animals

Under 1 year

1–3 years

4–7 years

8–11 years

12+ years

About this medicine

Gabapentin used for pain and to reduce stress or anxiety.

Questions owners ask

Can Gabapentin cause didn't stop worms in dogs?: 97 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 160 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 Fluoxetine 44 reports · 1.7% of its reports
Didn't stop worms after Trazodone 81 reports · 3.2% of its reports

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