Drug profile

The FDA adverse-event record for Omega 3 Fatty Acid Supplement

30 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Omega 3 Fatty Acid Supplement. See the species affected, top reactions, and outcomes below.

30
adverse-event reports
20.0%
death-coded share
Dog
most-reported species
6
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.
30
Total Reports
6
Deaths Reported
20.0%
Death Rate

Active Ingredients

Omega 3 Fatty Acid Supplement

Administration Routes

OralUnknown

Species Affected

Dog 27
Cat 3

Most Affected Breeds

Retriever - Golden 4
Retriever - Labrador 4
Domestic Shorthair 3
Shepherd Dog - German 3
Chihuahua 2
Retriever - Chesapeake Bay 2
Terrier - Bull - American Pit 2
Bichon Frise 1
Spaniel - Springer English 1
Terrier - Jack Russell 1

Most Reported Reactions

Other abnormal test result NOS 6
Death by euthanasia 5
Vomiting 4
Lethargy (see also Central nervous system depression in 'Neurological') 4
Seizure NOS 4
Inappetence 3
Weight loss 3
Leucocytosis NOS 3
Not eating 3
Medication error NOS 3
Polydipsia 2
Panting 2

Outcome Breakdown

Recovered/Normal
11 (36.7%)
Ongoing
10 (33.3%)
Euthanized
5 (16.7%)
Outcome Unknown
3 (10.0%)
Died
1 (3.3%)

Omega 3 Fatty Acid Supplement Adverse Event Insights

30 reports name Omega 3 Fatty Acid Supplement; 6 recorded a death outcome (20.0% of reported events, not a population-level mortality rate). Active ingredient: Omega 3 Fatty Acid Supplement. Administration routes: Oral, Unknown.

By species: Dog (27 reports), Cat (3 reports). By breed: Retriever - Golden (4), Retriever - Labrador (4), Domestic Shorthair (3).

Leading clinical signs: Other abnormal test result NOS (6), Death by euthanasia (5), Vomiting (4), Lethargy (see also Central nervous system depression in 'Neurological') (4). Outcome, 30 coded reports: Recovered/Normal leads at 36.7%.

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.