Drug profile

The FDA adverse-event record for Fish Oil Supplement

91 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Fish Oil Supplement. See the species affected, top reactions, and outcomes below.

91
adverse-event reports
6.6%
death-coded share
Dog
most-reported species
14
Diarrhoea - 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.
91
Total Reports
6
Deaths Reported
6.6%
Death Rate

Active Ingredients

Fish Oil Supplement

Administration Routes

OralUnknown

Species Affected

Dog 87
Human 2
Cat 2

Most Affected Breeds

Retriever - Golden 16
Retriever - Labrador 13
Collie - Border 5
Shepherd Dog - German 4
Shepherd Dog - Australian 4
Terrier - Bull - American Pit 3
Chihuahua 2
Dog (other) 2
Chow Chow 2
Boxer (German Boxer) 2

Most Reported Reactions

Diarrhoea 14
Other abnormal test result NOS 11
Lethargy (see also Central nervous system depression in 'Neurological') 11
Anorexia 9
Urinary incontinence 8
Vomiting 7
Inappropriate urination 7
Emesis 6
Lameness 6
Polyuria 6
Polydipsia 6
Pruritus 6

Outcome Breakdown

Ongoing
46 (50.5%)
Recovered/Normal
25 (27.5%)
Outcome Unknown
13 (14.3%)
Died
4 (4.4%)
Euthanized
2 (2.2%)
Recovered with Sequela
1 (1.1%)

Fish Oil Supplement Adverse Event Insights

91 reports name Fish Oil Supplement; 6 recorded a death outcome (6.6% of reported events, not a population-level mortality rate). Active ingredient: Fish Oil Supplement. Administration routes: Oral, Unknown.

By species: Dog (87 reports), Human (2 reports), Cat (2 reports). By breed: Retriever - Golden (16), Retriever - Labrador (13), Collie - Border (5).

Leading clinical signs: Diarrhoea (14), Other abnormal test result NOS (11), Lethargy (see also Central nervous system depression in 'Neurological') (11), Anorexia (9). Outcome, 91 coded reports: Ongoing leads at 50.5%.

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.