Drug profile

The FDA adverse-event record for Narasin Granulated

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

16
adverse-event reports
87.5%
death-coded share
Pig
most-reported species
12
Death - 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.
16
Total Reports
14
Deaths Reported
87.5%
Death Rate

Active Ingredients

Narasin Granulated

Administration Routes

OralUnknown

Species Affected

Pig 16

Most Affected Breeds

Crossbred Porcine/Pig 11
Pig (unknown) 5

Most Reported Reactions

Death 12
Unclassifiable adverse event 8
Lameness 8
Respiratory tract disorder NOS 7
Death by euthanasia 4
Rectal prolapse 3
General illness 3
Gastric perforation 3
Necropsy performed 2
Hernia NOS 2
Cough 2
Gastric torsion 2

Outcome Breakdown

Died
12 (48.0%)
Recovered/Normal
7 (28.0%)
Euthanized
4 (16.0%)
Outcome Unknown
2 (8.0%)

Narasin Granulated Adverse Event Insights

16 reports name Narasin Granulated; 14 recorded a death outcome (87.5% of reported events, not a population-level mortality rate). Active ingredient: Narasin Granulated. Administration routes: Oral, Unknown.

By species: Pig (16 reports). By breed: Crossbred Porcine/Pig (11), Pig (unknown) (5).

Leading clinical signs: Death (12), Unclassifiable adverse event (8), Lameness (8), Respiratory tract disorder NOS (7). Outcome, 25 coded reports: Died leads at 48.0%.

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.