Drug profile

The FDA adverse-event record for Florfenicol Inj Sol 30% W Pg

229 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Florfenicol Inj Sol 30% W Pg. See the species affected, top reactions, and outcomes below.

229
adverse-event reports
44.5%
death-coded share
Cattle
most-reported species
83
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.
229
Total Reports
102
Deaths Reported
44.5%
Death Rate

Active Ingredients

Florfenicol Inj Sol 30% W Pg

Administration Routes

UnknownSubcutaneousIntramuscularParenteralIntravenousTopicalOral

Species Affected

Cattle 122
Unknown 68
Human 18
Goat 11
Sheep 3
Fish 1
Other Mammals 1
Dog 1
Cat 1
Alpaca 1

Most Affected Breeds

Unknown 87
Cattle (other) 39
Crossbred Bovine/Cattle 22
Aberdeen Angus 18
Holstein-Friesian also known as Holstein 16
Cattle (unspecified) 10
Mixed (Cattle) 7
Goat (unknown) 5
Brangus 3
Pygmy 3

Most Reported Reactions

Death 83
Lack of efficacy - NOS 64
Lack of efficacy (bacteria) - NOS 37
Containers, Damaged 26
Respiratory signs 10
Injection site pain 9
Death by euthanasia 9
Closure, Abnormal 9
Physical label missing 8
Containers, Leaking 8
Uncoded sign 7
Stopper, abnormal 7

Outcome Breakdown

Died
95 (38.6%)
Ongoing
55 (22.4%)
Recovered/Normal
43 (17.5%)
Outcome Unknown
42 (17.1%)
Euthanized
10 (4.1%)
Recovered with Sequela
1 (0.4%)

Florfenicol Inj Sol 30% W Pg Adverse Event Insights

229 reports name Florfenicol Inj Sol 30% W Pg; 102 recorded a death outcome (44.5% of reported events, not a population-level mortality rate). Active ingredient: Florfenicol Inj Sol 30% W Pg. Administration routes: Unknown, Subcutaneous, Intramuscular, Parenteral.

By species: Cattle (122 reports), Unknown (68 reports), Human (18 reports). By breed: Unknown (87), Cattle (other) (39), Crossbred Bovine/Cattle (22).

Leading clinical signs: Death (83), Lack of efficacy - NOS (64), Lack of efficacy (bacteria) - NOS (37), Containers, Damaged (26). Outcome, 246 coded reports: Died leads at 38.6%.

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.