Drug profile

The FDA adverse-event record for Ponazuril 150 Mg/G Oral Paste

62 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Ponazuril 150 Mg/G Oral Paste. See the species affected, top reactions, and outcomes below.

62
adverse-event reports
9.7%
death-coded share
Horse
most-reported species
13
Product Defect, General - top reaction
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Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
62
Total Reports
6
Deaths Reported
9.7%
Death Rate

Active Ingredients

Ponazuril 150 Mg/G Oral Paste

Administration Routes

OralUnknown

Species Affected

Horse 27
Unknown 18
Dog 10
Cat 4
Goat 1
Human 1
Other Rodents 1

Most Affected Breeds

Unknown 20
Quarter Horse 11
Thoroughbred 4
Horse (unknown) 3
Domestic Shorthair 3
Irish Cob (Tinker) 2
Hanovarian 2
Tennessee Walking Horse 1
Warmblood (unspecified) 1
Goat (unknown) 1

Most Reported Reactions

Product Defect, General 13
Lethargy (see also Central nervous system depression in 'Neurological') 7
Lack of efficacy - NOS 7
Recumbency 5
Lack of efficacy (protozoa) - NOS 5
Fever 5
Death 5
Ataxia 4
Hives (see also 'Skin') 3
Increased sweating 3
Not eating 3
Blistering (see also Application site SOC) 2

Outcome Breakdown

Outcome Unknown
27 (61.4%)
Ongoing
6 (13.6%)
Died
5 (11.4%)
Recovered/Normal
5 (11.4%)
Euthanized
1 (2.3%)

Ponazuril 150 Mg/G Oral Paste Adverse Event Insights

62 reports name Ponazuril 150 Mg/G Oral Paste; 6 recorded a death outcome (9.7% of reported events, not a population-level mortality rate). Active ingredient: Ponazuril 150 Mg/G Oral Paste. Administration routes: Oral, Unknown.

By species: Horse (27 reports), Unknown (18 reports), Dog (10 reports). By breed: Unknown (20), Quarter Horse (11), Thoroughbred (4).

Leading clinical signs: Product Defect, General (13), Lethargy (see also Central nervous system depression in 'Neurological') (7), Lack of efficacy - NOS (7), Recumbency (5). Outcome, 44 coded reports: Outcome Unknown leads at 61.4%.

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.