Pentobarbital Sodium, Phenytoin Sodium

220 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.

220

Total Reports

181

Deaths Reported

8230.0%

Death Rate

Active Ingredients

Pentobarbital Sodium, Phenytoin Sodium

Administration Routes

IntravenousUnknownIntracardiacOralIntradermalSubcutaneousOphthalmicAuricular (Otic)

Species Affected

Dog 118

Cat 53

Human 21

Horse 13

Unknown 9

Rat 1

Cattle 1

Other Rodents 1

Fish 1

Sheep 1

Most Affected Breeds

Unknown 33

Domestic Shorthair 26

Dog (unknown) 14

Retriever - Labrador 13

Cat (unknown) 11

Crossbred Canine/dog 10

Shepherd Dog - German 9

Mixed (Dog) 7

Domestic Mediumhair 6

Retriever - Golden 5

Most Reported Reactions

INEFFECTIVE, EUTHANASIA 132

Lack of efficacy - NOS 70

Overdose 35

INEFFECTIVE, DELAYED EFFECT 30

Death by euthanasia 19

Vocalisation 17

Accidental exposure 14

Abnormal breathing 13

Injection site pain 9

Excitation 8

Abnormal movement NOS 8

Drug administration error 8

Outcome Breakdown

Euthanized

181 (85.4%)

Recovered/Normal

21 (9.9%)

Outcome Unknown

10 (4.7%)

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