Drug profile

The FDA adverse-event record for Antiparasitic Collar

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

23
adverse-event reports
4.3%
death-coded share
Dog
most-reported species
6
Vocalisation - 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.
23
Total Reports
1
Deaths Reported
4.3%
Death Rate

Active Ingredients

Antiparasitic Collar

Administration Routes

TopicalUnknownCutaneous

Species Affected

Dog 14
Cat 9

Most Affected Breeds

Domestic Shorthair 8
Retriever - Labrador 4
Crossbred Canine/dog 2
Dog (other) 1
Lhasa Apso 1
Beagle 1
Pit Bull 1
Terrier - Yorkshire 1
Bullmastiff 1
Domestic Longhair 1

Most Reported Reactions

Vocalisation 6
Scratching 4
Behavioural disorder NOS 4
Skin scab 4
Increased heart rate 4
Neutrophilia 4
Lethargy (see also Central nervous system depression in 'Neurological') 3
Vomiting 3
Hyperactivity 3
Other abnormal test result NOS 3
Hyperexcitation 3
Anorexia 3

Outcome Breakdown

Recovered/Normal
10 (43.5%)
Outcome Unknown
8 (34.8%)
Ongoing
4 (17.4%)
Euthanized
1 (4.3%)

Antiparasitic Collar Adverse Event Insights

23 reports name Antiparasitic Collar; 1 recorded a death outcome (4.3% of reported events, not a population-level mortality rate). Active ingredient: Antiparasitic Collar. Administration routes: Topical, Unknown, Cutaneous.

By species: Dog (14 reports), Cat (9 reports). By breed: Domestic Shorthair (8), Retriever - Labrador (4), Crossbred Canine/dog (2).

Leading clinical signs: Vocalisation (6), Scratching (4), Behavioural disorder NOS (4), Skin scab (4). Outcome, 23 coded reports: Recovered/Normal leads at 43.5%.

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.