Drug profile

The FDA adverse-event record for Human Insulin

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

682
adverse-event reports
7.6%
death-coded share
Cat
most-reported species
318
INEFFECTIVE, GLYCEMIC CONTROL - 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.
682
Total Reports
52
Deaths Reported
7.6%
Death Rate

Active Ingredients

Human Insulin

Administration Routes

SubcutaneousUnknown

Species Affected

Cat 565
Unknown 83
Dog 31
Human 3

Most Affected Breeds

Domestic (unspecified) 453
Unknown 86
Cat (unknown) 60
Siamese 18
Maine Coon 12
Crossbred Canine/dog 7
Himalayan 6
Pug 3
Shih Tzu 2
Poodle (unspecified) 2

Most Reported Reactions

INEFFECTIVE, GLYCEMIC CONTROL 318
Hyperglycaemia 124
Hypoglycaemia 115
INEFFECTIVE, LOSS OF EFFECT 74
Anorexia 65
Depression 64
Vomiting 57
Polydipsia 51
Polyuria 43
Suspension, Abnormal 42
Death by euthanasia 37
Diarrhoea 34

Outcome Breakdown

Died
51 (79.7%)
Ongoing
5 (7.8%)
Outcome Unknown
4 (6.3%)
Recovered/Normal
3 (4.7%)
Euthanized
1 (1.6%)

Human Insulin Adverse Event Insights

682 reports name Human Insulin; 52 recorded a death outcome (7.6% of reported events, not a population-level mortality rate). Active ingredient: Human Insulin. Administration routes: Subcutaneous, Unknown.

By species: Cat (565 reports), Unknown (83 reports), Dog (31 reports). By breed: Domestic (unspecified) (453), Unknown (86), Cat (unknown) (60).

Leading clinical signs: INEFFECTIVE, GLYCEMIC CONTROL (318), Hyperglycaemia (124), Hypoglycaemia (115), INEFFECTIVE, LOSS OF EFFECT (74). Outcome, 64 coded reports: Died leads at 79.7%.

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.