Pentobarbital + Phenytoin

36 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.

Total Reports

Deaths Reported

2500.0%

Death Rate

Active Ingredients

PentobarbitalPhenytoin

Administration Routes

UnknownIntravenous

Species Affected

Unknown 22

Dog 11

Cat 2

Horse 1

Most Affected Breeds

Unknown 32

Cat (unknown) 1

Great Pyrenees 1

Shepherd Dog - German 1

Horse (unknown) 1

Most Reported Reactions

INEFFECTIVE, EUTHANASIA 21

Lack of efficacy - NOS 6

Stopper, abnormal 5

INEFFECTIVE, DELAYED EFFECT 3

Agitation 3

Vials, Damaged 3

Product Defect, General 2

Vials, Leaking 2

Potency, Low 1

Underfilling, Bottles 1

Seizure NOS 1

Open mouth breathing 1

Outcome Breakdown

Euthanized

9 (100.0%)

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