Imidacolprid And Moxidectin

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310 adverse event reports submitted to the FDA

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
310
Total Reports
15
Deaths Reported
480.0%
Death Rate

Active Ingredients

Imidacolprid And Moxidectin

Administration Routes

TopicalUnknownOral

Species Affected

Dog 289
Cat 21

Most Affected Breeds

Retriever - Labrador 72
Shepherd Dog - German 22
Terrier - Bull - American Pit 19
Domestic Shorthair 14
Crossbred Canine/dog 13
Hound (unspecified) 9
Terrier (unspecified) 9
Collie - Border 8
Beagle 8
Mixed (Dog) 6

Most Reported Reactions

Lack of efficacy (endoparasite) - heartworm 145
INEFFECTIVE, HEARTWORM LARVAE 48
Lack of efficacy - NOS 30
Lethargy (see also Central nervous system depression in 'Neurological') 20
Vomiting 17
Other abnormal test result NOS 15
Anaemia NOS 9
Decreased appetite 9
Lack of efficacy (heartworm) 9
Death 8
Death by euthanasia 8
Seizure NOS 8

Outcome Breakdown

Ongoing
258 (83.2%)
Recovered/Normal
21 (6.8%)
Outcome Unknown
16 (5.2%)
Euthanized
8 (2.6%)
Died
7 (2.3%)

Data Summary

Metric Value
Total adverse event reports 310
Reports involving death 15
Case-fatality rate (reported events) 480.0%
Distinct species in reports 2
Distinct breeds in reports 20
Distinct reactions reported 20
Active ingredients on file 1

Source: FDA Center for Veterinary Medicine — Adverse Event Reporting (CVM AER). Counts reflect voluntary reports only.

Imidacolprid And Moxidectin Adverse Event Insights

The FDA Center for Veterinary Medicine database currently holds 310 adverse event reports referencing Imidacolprid And Moxidectin, including 15 reports in which the animal died — a 480.0% case-fatality figure among reported events only, not a population-level mortality rate. Active ingredient on file: Imidacolprid And Moxidectin. Reported administration routes include Topical, Unknown, Oral. These numbers reflect voluntary submissions from pet owners, veterinarians, and manufacturers and therefore under-represent mild events and over-represent severe ones — a pattern the FDA has documented repeatedly for pharmacovigilance datasets.

The species most frequently named in Imidacolprid And Moxidectin reports are Dog (289 reports), Cat (21 reports), with Dog accounting for the largest share. Within those species, Retriever - Labrador (72), Shepherd Dog - German (22), Terrier - Bull - American Pit (19) appear most often — though breed popularity and ownership density shape these counts as much as any drug-specific sensitivity. This distribution matters because the same active ingredient can behave very differently across body sizes, ages, and species physiology.

The most commonly reported clinical signs associated with Imidacolprid And Moxidectin are Lack of efficacy (endoparasite) - heartworm (145), INEFFECTIVE, HEARTWORM LARVAE (48), Lack of efficacy - NOS (30), Lethargy (see also Central nervous system depression in 'Neurological') (20). Of the 310 reports with a coded outcome, Ongoing is the leading category at 83.2%. Because FDA adverse event data describes correlation rather than causation, these figures are best used to frame informed questions with a veterinarian and to compare reporting patterns across related products — not as a standalone safety verdict on Imidacolprid And Moxidectin.

Source: FDA Center for Veterinary Medicine — Adverse Event Reports FDA Center for Veterinary Medicine — Adverse Event Reports Data reflects voluntary submissions and may not represent actual incidence rates

Related

Data sourced from official AKC, AVMA, ACVO, and breed-club veterinary references. See our methodology for details. Retrieved and formatted by PlainBreed Editorial