Drug profile

The FDA adverse-event record for Gabapentin 100 Mg

16 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Gabapentin 100 Mg. See the species affected, top reactions, and outcomes below.

16
adverse-event reports
6.3%
death-coded share
Dog
most-reported species
3
Seizure NOS - top reaction
Verify with FDA CVM →
Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
16
Total Reports
1
Deaths Reported
6.3%
Death Rate

Active Ingredients

Gabapentin 100 Mg

Administration Routes

OralUnknown

Species Affected

Dog 11
Cat 5

Most Affected Breeds

Maine Coon 3
Spitz - American Eskimo Dog 2
Beagle 2
Cattle Dog - Australian (blue heeler, red heeler, Queensland cattledog) 2
Shih Tzu 1
Terrier - Irish Soft-coated Wheaten 1
Retriever - Labrador 1
Domestic Shorthair 1
Terrier - Yorkshire 1
Pit Bull 1

Most Reported Reactions

Seizure NOS 3
Ketosis 3
Vomiting 2
Pruritus 2
Lack of efficacy (endoparasite) - heartworm 2
Paddling 1
Inappropriate urination 1
Elevated serum alkaline phosphatase (SAP) 1
Elevated blood urea nitrogen (BUN) 1
Anaemia NOS 1
Inappetence 1
Erythema (for urticaria see Immune SOC) 1

Outcome Breakdown

Outcome Unknown
10 (62.5%)
Recovered/Normal
5 (31.3%)
Died
1 (6.3%)

Gabapentin 100 Mg Adverse Event Insights

16 reports name Gabapentin 100 Mg; 1 recorded a death outcome (6.3% of reported events, not a population-level mortality rate). Active ingredient: Gabapentin 100 Mg. Administration routes: Oral, Unknown.

By species: Dog (11 reports), Cat (5 reports). By breed: Maine Coon (3), Spitz - American Eskimo Dog (2), Beagle (2).

Leading clinical signs: Seizure NOS (3), Ketosis (3), Vomiting (2), Pruritus (2). Outcome, 16 coded reports: Outcome Unknown leads at 62.5%.

Read these counts as reporting volume, not risk: per our methodology, a widely-prescribed drug will rack up more raw FDA reports in a given year than a rarely-used one at an identical true rate, so we recommend comparing within similar-exposure products rather than across the full 2025 catalog.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.