Drug profile

The FDA adverse-event record for Omega 3 Fatty Acid

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

14
adverse-event reports
42.9%
death-coded share
Dog
most-reported species
5
Death by euthanasia - 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.
14
Total Reports
6
Deaths Reported
42.9%
Death Rate

Active Ingredients

Omega 3 Fatty Acid

Administration Routes

OralUnknown

Species Affected

Dog 12
Cat 2

Most Affected Breeds

Terrier - West Highland White 3
Domestic Shorthair 2
Pinscher - Miniature 2
Retriever - Labrador 1
Rottweiler 1
Crossbred Canine/dog 1
Shepherd Dog - German 1
Spaniel - Cocker American 1
Beagle 1
Terrier - Boston 1

Most Reported Reactions

Death by euthanasia 5
Weight loss 4
Vomiting 3
Other abnormal test result NOS 3
Not eating 3
Elevated blood urea nitrogen (BUN) 3
Elevated creatinine 3
Anorexia 2
Hypoglycaemia 2
Lack of efficacy - NOS 2
Lethargy (see also Central nervous system depression in Neurological) 2
Seizure NOS 1

Outcome Breakdown

Euthanized
5 (35.7%)
Recovered/Normal
5 (35.7%)
Outcome Unknown
2 (14.3%)
Died
1 (7.1%)
Ongoing
1 (7.1%)

Omega 3 Fatty Acid Adverse Event Insights

14 reports name Omega 3 Fatty Acid; 6 recorded a death outcome (42.9% of reported events, not a population-level mortality rate). Active ingredient: Omega 3 Fatty Acid. Administration routes: Oral, Unknown.

By species: Dog (12 reports), Cat (2 reports). By breed: Terrier - West Highland White (3), Domestic Shorthair (2), Pinscher - Miniature (2).

Leading clinical signs: Death by euthanasia (5), Weight loss (4), Vomiting (3), Other abnormal test result NOS (3). Outcome, 14 coded reports: Euthanized leads at 35.7%.

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.