Drug profile

The FDA adverse-event record for Omega Fatty Acid Supplement

23 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Omega Fatty Acid Supplement. See the species affected, top reactions, and outcomes below.

23
adverse-event reports
17.4%
death-coded share
Dog
most-reported species
5
Other abnormal test result NOS - 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.
23
Total Reports
4
Deaths Reported
17.4%
Death Rate

Active Ingredients

Omega Fatty Acid Supplement

Administration Routes

OralUnknown

Species Affected

Dog 21
Cat 2

Most Affected Breeds

Shepherd Dog - German 3
Retriever - Labrador 2
Domestic Shorthair 2
Crossbred Canine/dog 2
Setter - Irish Red and White 1
Beagle 1
Pug 1
Retriever - Golden 1
Dog (unknown) 1
Lhasa Apso 1

Most Reported Reactions

Other abnormal test result NOS 5
Lethargy (see also Central nervous system depression in 'Neurological') 5
Lack of efficacy - NOS 5
Decreased appetite 4
Abnormal radiograph finding 4
Death by euthanasia 4
Seizure NOS 3
Emesis (multiple) 3
Cough 3
Proteinuria 3
Limb weakness 3
Drooling 3

Outcome Breakdown

Ongoing
12 (52.2%)
Recovered/Normal
5 (21.7%)
Euthanized
4 (17.4%)
Outcome Unknown
2 (8.7%)

Omega Fatty Acid Supplement Adverse Event Insights

23 reports name Omega Fatty Acid Supplement; 4 recorded a death outcome (17.4% of reported events, not a population-level mortality rate). Active ingredient: Omega Fatty Acid Supplement. Administration routes: Oral, Unknown.

By species: Dog (21 reports), Cat (2 reports). By breed: Shepherd Dog - German (3), Retriever - Labrador (2), Domestic Shorthair (2).

Leading clinical signs: Other abnormal test result NOS (5), Lethargy (see also Central nervous system depression in 'Neurological') (5), Lack of efficacy - NOS (5), Decreased appetite (4). Outcome, 23 coded reports: Ongoing leads at 52.2%.

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.