Drug profile

The FDA adverse-event record for Flaxseed

12 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Flaxseed. See the species affected, top reactions, and outcomes below.

12
adverse-event reports
8.3%
death-coded share
Dog
most-reported species
3
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.
12
Total Reports
1
Deaths Reported
8.3%
Death Rate

Active Ingredients

Flaxseed

Administration Routes

OralUnknown

Species Affected

Dog 12

Most Affected Breeds

Spaniel - Boykin 2
Retriever (unspecified) 1
Canaan Dog 1
Crossbred Canine/dog 1
Poodle - Miniature 1
Shepherd (unspecified) 1
Retriever - Golden 1
Terrier - Cairn 1
Beagle 1
Shih Tzu 1

Most Reported Reactions

Emesis 3
Vomiting 3
Lack of efficacy - NOS 2
INEFFECTIVE, ASCARIDS NOS 2
Lethargy (see also Central nervous system depression in 'Neurological') 2
Itching 2
Decreased appetite 2
UNPALATABLE 1
Pica NOS 1
Anorexia 1
Elevated serum alkaline phosphatase (SAP) 1
Elevated alanine aminotransferase (ALT) 1

Outcome Breakdown

Recovered/Normal
5 (41.7%)
Outcome Unknown
5 (41.7%)
Recovered with Sequela
1 (8.3%)
Died
1 (8.3%)

Flaxseed Adverse Event Insights

12 reports name Flaxseed; 1 recorded a death outcome (8.3% of reported events, not a population-level mortality rate). Active ingredient: Flaxseed. Administration routes: Oral, Unknown.

By species: Dog (12 reports). By breed: Spaniel - Boykin (2), Retriever (unspecified) (1), Canaan Dog (1).

Leading clinical signs: Emesis (3), Vomiting (3), Lack of efficacy - NOS (2), INEFFECTIVE, ASCARIDS NOS (2). Outcome, 12 coded reports: Recovered/Normal leads at 41.7%.

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.