Didn't work as expected after Gabapentin in dogs

The FDA has received 1,277 reports of didn't work as expected in dogs after Gabapentin. That is 14% of all reports for this medicine, compared with 13% across reports for all dog medicines.

1,277Reports

44%Marked serious

8.3%Recovered

11%Died or euthanised

31 daysTypical onset

How soon it started

Same day

151 16%

1–2 days

68 7.2%

3–7 days

66 7.0%

1–4 weeks

179 19%

Over a month

477 51%

How the animals did

Recovered

95 7.4%

Recovered with lasting effects

11 0.9%

Still unwell when reported

530 42%

Died

38 3.0%

Euthanised

97 7.6%

Not known

506 40%

Problems reported at the same time

184 14%

140 11%

134 10%

130 10%

129 10%

115 9.0%

106 8.3%

Injection site reaction

102 8.0%

Age of the animals

Under 1 year

1–3 years

4–7 years

218

8–11 years

431

12+ years

495

About this medicine

Gabapentin used for pain and to reduce stress or anxiety.

Questions owners ask

Can Gabapentin cause didn't work as expected in dogs?: 1,277 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 31 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 work as expected with similar medicines

Didn't work as expected after Selegiline (Anipryl) 1,228 reports · 30% of its reports
Didn't work as expected after Fluoxetine 489 reports · 19% of its reports
Didn't work as expected after Trazodone 290 reports · 11% of its reports
Didn't work as expected after Clomipramine (Clomicalm) 187 reports · 12% of its reports

All reported side effects of Gabapentin in dogs · Medicines most reported with didn't work as expected