Hydromorphone Hcl Injectable

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109 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.
109
Total Reports
23
Deaths Reported
2110.0%
Death Rate

Active Ingredients

Hydromorphone Hcl Injectable

Administration Routes

UnknownIntramuscularIntravenousSubcutaneous

Species Affected

Dog 101
Cat 6
Rabbit 2

Most Affected Breeds

Retriever - Labrador 10
Dog (unknown) 8
Chihuahua 8
Crossbred Canine/dog 5
Shepherd (unspecified) 4
Boxer (German Boxer) 4
Shepherd Dog - German 4
Domestic Shorthair 4
Terrier - Bull - American Pit 3
Bulldog - American 3

Most Reported Reactions

Vomiting 14
Death 14
Bradycardia 13
Lack of efficacy - NOS 13
Cardiac arrest 12
Lethargy (see also Central nervous system depression in 'Neurological') 10
Death by euthanasia 8
Anaphylaxis 8
Seizure NOS 7
Elevated total bilirubin 6
Heart block NOS 6
Panting 6

Outcome Breakdown

Recovered/Normal
43 (39.4%)
Ongoing
40 (36.7%)
Died
15 (13.8%)
Euthanized
8 (7.3%)
Outcome Unknown
3 (2.8%)

Data Summary

Metric Value
Total adverse event reports 109
Reports involving death 23
Case-fatality rate (reported events) 2110.0%
Distinct species in reports 3
Distinct breeds in reports 20
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.

Hydromorphone Hcl Injectable Adverse Event Insights

The FDA Center for Veterinary Medicine database currently holds 109 adverse event reports referencing Hydromorphone Hcl Injectable, including 23 reports in which the animal died — a 2110.0% case-fatality figure among reported events only, not a population-level mortality rate. Active ingredient on file: Hydromorphone Hcl Injectable. Reported administration routes include Unknown, Intramuscular, Intravenous, Subcutaneous. 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 Hydromorphone Hcl Injectable reports are Dog (101 reports), Cat (6 reports), Rabbit (2 reports), with Dog accounting for the largest share. Within those species, Retriever - Labrador (10), Dog (unknown) (8), Chihuahua (8) 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 Hydromorphone Hcl Injectable are Vomiting (14), Death (14), Bradycardia (13), Lack of efficacy - NOS (13). Of the 109 reports with a coded outcome, Recovered/Normal is the leading category at 39.4%. 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 Hydromorphone Hcl Injectable.

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