Pentobarbital Sodium And Phenytoin Sodium

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40 adverse event reports submitted to the FDA

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
40
Total Reports
34
Deaths Reported
8500.0%
Death Rate

Active Ingredients

Pentobarbital Sodium And Phenytoin Sodium

Administration Routes

UnknownIntravenous

Species Affected

Dog 24
Cat 7
Horse 4
Human 2
Other 1
Other Rodents 1
Other Mammals 1

Most Affected Breeds

Unknown 27
Dog (unknown) 3
Shepherd Dog - German 2
Cat (unknown) 2
Crossbred Canine/dog 1
Chihuahua 1
Mastiff 1
Great Pyrenees 1
Pony (unspecified) 1
Spaniel - King Charles Cavalier 1

Most Reported Reactions

Lack of efficacy - NOS 29
Death by euthanasia 12
Unrelated death 7
Dyspnoea 3
Product Defect, General 3
Twitching 3
Immediate pain upon injection 3
Agonal breathing 2
Seizure NOS 2
Rigidity 2
Vocalisation 2
Torticollis 2

Outcome Breakdown

Euthanized
34 (85.0%)
Recovered/Normal
4 (10.0%)
Outcome Unknown
2 (5.0%)

Data Summary

Metric Value
Total adverse event reports 40
Reports involving death 34
Case-fatality rate (reported events) 8500.0%
Distinct species in reports 7
Distinct breeds in reports 10
Distinct reactions reported 20
Active ingredients on file 1

Source: FDA Center for Veterinary Medicine — Adverse Event Reporting (CVM AER). Counts reflect voluntary reports only.

Pentobarbital Sodium And Phenytoin Sodium Adverse Event Insights

The FDA Center for Veterinary Medicine database currently holds 40 adverse event reports referencing Pentobarbital Sodium And Phenytoin Sodium, including 34 reports in which the animal died — a 8500.0% case-fatality figure among reported events only, not a population-level mortality rate. Active ingredient on file: Pentobarbital Sodium And Phenytoin Sodium. Reported administration routes include Unknown, Intravenous. These numbers reflect voluntary submissions from pet owners, veterinarians, and manufacturers and therefore under-represent mild events and over-represent severe ones — a pattern the FDA has documented repeatedly for pharmacovigilance datasets.

The species most frequently named in Pentobarbital Sodium And Phenytoin Sodium reports are Dog (24 reports), Cat (7 reports), Horse (4 reports), with Dog accounting for the largest share. Within those species, Unknown (27), Dog (unknown) (3), Shepherd Dog - German (2) appear most often — though breed popularity and ownership density shape these counts as much as any drug-specific sensitivity. This distribution matters because the same active ingredient can behave very differently across body sizes, ages, and species physiology.

The most commonly reported clinical signs associated with Pentobarbital Sodium And Phenytoin Sodium are Lack of efficacy - NOS (29), Death by euthanasia (12), Unrelated death (7), Dyspnoea (3). Of the 40 reports with a coded outcome, Euthanized is the leading category at 85.0%. Because FDA adverse event data describes correlation rather than causation, these figures are best used to frame informed questions with a veterinarian and to compare reporting patterns across related products — not as a standalone safety verdict on Pentobarbital Sodium And Phenytoin Sodium.

Source: FDA Center for Veterinary Medicine — Adverse Event Reports FDA Center for Veterinary Medicine — Adverse Event Reports Data reflects voluntary submissions and may not represent actual incidence rates

Related

Data sourced from official AKC, AVMA, ACVO, and breed-club veterinary references. See our methodology for details. Retrieved and formatted by PlainBreed Editorial