Drug profile

The FDA adverse-event record for Ivermectin Chewable 272 Mcg

17 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Ivermectin Chewable 272 Mcg. See the species affected, top reactions, and outcomes below.

17
adverse-event reports
5.9%
death-coded share
Unknown
most-reported species
4
Uncoded sign - 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.
17
Total Reports
1
Deaths Reported
5.9%
Death Rate

Active Ingredients

Ivermectin Chewable 272 Mcg

Administration Routes

UnknownOral

Species Affected

Unknown 9
Dog 8

Most Affected Breeds

Unknown 9
Retriever - Labrador 3
Doberman Pinscher 1
Siberian Husky 1
Dog (other) 1
Retriever - Golden 1
Crossbred Canine/dog 1

Most Reported Reactions

Uncoded sign 4
Tablets, Abnormal 3
Diarrhoea 3
Lethargy (see also Central nervous system depression in 'Neurological') 3
Underfilling, Package 2
Containers, Damaged 2
Cardiac disorder NOS 2
Vomiting 2
Collapse (see also 'Cardio-vascular' and 'Systemic disorders') 2
Mixed Product 2
Breathing difficulty 2
Bradycardia 1

Outcome Breakdown

Outcome Unknown
4 (50.0%)
Recovered/Normal
3 (37.5%)
Died
1 (12.5%)

Ivermectin Chewable 272 Mcg Adverse Event Insights

17 reports name Ivermectin Chewable 272 Mcg; 1 recorded a death outcome (5.9% of reported events, not a population-level mortality rate). Active ingredient: Ivermectin Chewable 272 Mcg. Administration routes: Unknown, Oral.

By species: Unknown (9 reports), Dog (8 reports). By breed: Unknown (9), Retriever - Labrador (3), Doberman Pinscher (1).

Leading clinical signs: Uncoded sign (4), Tablets, Abnormal (3), Diarrhoea (3), Lethargy (see also Central nervous system depression in 'Neurological') (3). Outcome, 8 coded reports: Outcome Unknown leads at 50.0%.

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.