Drug profile

The FDA adverse-event record for Prescription Diet (Unspecified)

361 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Prescription Diet (Unspecified). See the species affected, top reactions, and outcomes below.

361
adverse-event reports
15.5%
death-coded share
Dog
most-reported species
87
Lethargy (see also Central nervous system depression in 'Neurological') - 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.
361
Total Reports
56
Deaths Reported
15.5%
Death Rate

Active Ingredients

Prescription Diet (Unspecified)

Administration Routes

OralUnknown

Species Affected

Dog 262
Cat 99

Most Affected Breeds

Domestic Shorthair 68
Retriever - Labrador 31
Shih Tzu 20
Terrier - Yorkshire 19
Retriever - Golden 13
Shepherd Dog - German 12
Bichon Frise 8
Chihuahua 8
Corgi (unspecified) 7
Terrier - Bull - American Pit 7

Most Reported Reactions

Lethargy (see also Central nervous system depression in 'Neurological') 87
Vomiting 73
Anorexia 68
Diarrhoea 55
Other abnormal test result NOS 47
Weight loss 44
Death by euthanasia 36
Behavioural disorder NOS 28
Emesis 26
Lack of efficacy - NOS 25
INEFFECTIVE, LOSS OF EFFECT 25
Decreased appetite 22

Outcome Breakdown

Ongoing
184 (51.0%)
Outcome Unknown
61 (16.9%)
Recovered/Normal
60 (16.6%)
Euthanized
36 (10.0%)
Died
20 (5.5%)

Prescription Diet (Unspecified) Adverse Event Insights

361 reports name Prescription Diet (Unspecified); 56 recorded a death outcome (15.5% of reported events, not a population-level mortality rate). Active ingredient: Prescription Diet (Unspecified). Administration routes: Oral, Unknown.

By species: Dog (262 reports), Cat (99 reports). By breed: Domestic Shorthair (68), Retriever - Labrador (31), Shih Tzu (20).

Leading clinical signs: Lethargy (see also Central nervous system depression in 'Neurological') (87), Vomiting (73), Anorexia (68), Diarrhoea (55). Outcome, 361 coded reports: Ongoing leads at 51.0%.

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.