Drug profile

The FDA adverse-event record for Hypoallergenic Diet (Unknown)

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

134
adverse-event reports
3.0%
death-coded share
Dog
most-reported species
32
Emesis - top reaction
Verify with FDA CVM →
Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
134
Total Reports
4
Deaths Reported
3.0%
Death Rate

Active Ingredients

Hypoallergenic Diet (Unknown)

Administration Routes

UnknownOralIntraocular

Species Affected

Dog 102
Cat 32

Most Affected Breeds

Domestic Shorthair 21
Retriever - Labrador 7
Shih Tzu 7
Boxer (German Boxer) 6
Crossbred Canine/dog 5
Domestic Longhair 5
Shepherd Dog - German 5
Terrier - Jack Russell 4
Terrier - West Highland White 4
Pug 4

Most Reported Reactions

Emesis 32
Vomiting 29
Lack of efficacy - NOS 21
Diarrhoea 14
Behavioural disorder NOS 11
Lethargy (see also Central nervous system depression in 'Neurological') 10
Other abnormal test result NOS 9
Weight loss 9
Lack of efficacy (ectoparasite) - flea 7
Itching 6
Anorexia 6
Decreased appetite 5

Outcome Breakdown

Recovered/Normal
53 (39.6%)
Outcome Unknown
44 (32.8%)
Ongoing
23 (17.2%)
Recovered with Sequela
10 (7.5%)
Euthanized
4 (3.0%)

Hypoallergenic Diet (Unknown) Adverse Event Insights

134 reports name Hypoallergenic Diet (Unknown); 4 recorded a death outcome (3.0% of reported events, not a population-level mortality rate). Active ingredient: Hypoallergenic Diet (Unknown). Administration routes: Unknown, Oral, Intraocular.

By species: Dog (102 reports), Cat (32 reports). By breed: Domestic Shorthair (21), Retriever - Labrador (7), Shih Tzu (7).

Leading clinical signs: Emesis (32), Vomiting (29), Lack of efficacy - NOS (21), Diarrhoea (14). Outcome, 134 coded reports: Recovered/Normal leads at 39.6%.

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.