Drug profile

The FDA adverse-event record for Unknown Insulin

18 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Unknown Insulin. See the species affected, top reactions, and outcomes below.

18
adverse-event reports
16.7%
death-coded share
Dog
most-reported species
6
Vomiting - top reaction
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Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
18
Total Reports
3
Deaths Reported
16.7%
Death Rate

Active Ingredients

Unknown Insulin

Administration Routes

UnknownSubcutaneous

Species Affected

Dog 13
Cat 5

Most Affected Breeds

Domestic Shorthair 4
Crossbred Canine/dog 3
Terrier - Yorkshire 2
Spitz - German Pomeranian 2
Maltese 1
Cat (unknown) 1
Schnauzer - Miniature 1
Pit Bull 1
Samoyed 1
Retriever - Labrador 1

Most Reported Reactions

Vomiting 6
Diarrhoea 2
Lack of efficacy (ectoparasite) - flea 2
Urinary tract infection 2
Hypoglycaemia 2
Lethargy (see also Central nervous system depression in 'Neurological') 2
Urinary incontinence 2
Hind limb paresis 2
Death by euthanasia 2
Lameness 2
Bone and joint disorder NOS 2
Osteosarcoma 2

Outcome Breakdown

Outcome Unknown
7 (38.9%)
Ongoing
7 (38.9%)
Euthanized
2 (11.1%)
Died
1 (5.6%)
Recovered/Normal
1 (5.6%)

Unknown Insulin Adverse Event Insights

18 reports name Unknown Insulin; 3 recorded a death outcome (16.7% of reported events, not a population-level mortality rate). Active ingredient: Unknown Insulin. Administration routes: Unknown, Subcutaneous.

By species: Dog (13 reports), Cat (5 reports). By breed: Domestic Shorthair (4), Crossbred Canine/dog (3), Terrier - Yorkshire (2).

Leading clinical signs: Vomiting (6), Diarrhoea (2), Lack of efficacy (ectoparasite) - flea (2), Urinary tract infection (2). Outcome, 18 coded reports: Outcome Unknown leads at 38.9%.

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.