Nph Insulin

Verify with FDA CVM →

44 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.
44
Total Reports
4
Deaths Reported
910.0%
Death Rate

Active Ingredients

Nph Insulin

Administration Routes

SubcutaneousUnknownParenteral

Species Affected

Dog 43
Cat 1

Most Affected Breeds

Terrier - Jack Russell 4
Pinscher - Miniature 4
Shih Tzu 3
Schnauzer - Miniature 3
Chihuahua 3
Maltese 3
Terrier - Boston 3
Dachshund - Standard Smooth-haired 2
Schnauzer (unspecified) 2
Shepherd (unspecified) 2

Most Reported Reactions

Hyperglycaemia 19
Weight loss 14
Hyperkalaemia 13
Other abnormal test result NOS 8
Hyponatremia 8
Lethargy (see also Central nervous system depression in 'Neurological') 8
Vomiting 8
Low sodium-potassium ratio (Na:K ratio) 7
Hypoglycaemia 7
Elevated alanine aminotransferase (ALT) 7
Elevated serum alkaline phosphatase (SAP) 7
Elevated blood urea nitrogen (BUN) 5

Outcome Breakdown

Outcome Unknown
25 (56.8%)
Ongoing
11 (25.0%)
Recovered/Normal
4 (9.1%)
Euthanized
2 (4.5%)
Died
2 (4.5%)

Data Summary

Metric Value
Total adverse event reports 44
Reports involving death 4
Case-fatality rate (reported events) 910.0%
Distinct species in reports 2
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.

Nph Insulin Adverse Event Insights

The FDA Center for Veterinary Medicine database currently holds 44 adverse event reports referencing Nph Insulin, including 4 reports in which the animal died — a 910.0% case-fatality figure among reported events only, not a population-level mortality rate. Active ingredient on file: Nph Insulin. Reported administration routes include Subcutaneous, Unknown, Parenteral. 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 Nph Insulin reports are Dog (43 reports), Cat (1 reports), with Dog accounting for the largest share. Within those species, Terrier - Jack Russell (4), Pinscher - Miniature (4), Shih Tzu (3) 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 Nph Insulin are Hyperglycaemia (19), Weight loss (14), Hyperkalaemia (13), Other abnormal test result NOS (8). Of the 44 reports with a coded outcome, Outcome Unknown is the leading category at 56.8%. 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 Nph Insulin.

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