Drug profile

The FDA adverse-event record for Ofloxacin

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

119
adverse-event reports
17.6%
death-coded share
Dog
most-reported species
43
Corneal ulcer - 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.
119
Total Reports
21
Deaths Reported
17.6%
Death Rate

Active Ingredients

Ofloxacin

Administration Routes

UnknownOphthalmicIntraocularOtherTopicalAuricular (Otic)

Species Affected

Dog 95
Cat 21
Rabbit 2
Unknown 1

Most Affected Breeds

Chihuahua 10
Domestic Shorthair 9
Shih Tzu 8
Terrier - Yorkshire 7
Boxer (German Boxer) 5
Crossbred Canine/dog 4
Schnauzer - Miniature 4
Maltese 4
Terrier - Rat 4
Beagle 3

Most Reported Reactions

Corneal ulcer 43
Ocular discharge 26
Lethargy (see also Central nervous system depression in 'Neurological') 24
Keratoconjunctivitis sicca 24
Corneal disorder NOS 24
Vomiting 22
Lack of efficacy - NOS 14
Anorexia 14
Squinting 14
Other abnormal test result NOS 13
Ataxia 13
Not eating 13

Outcome Breakdown

Ongoing
40 (34.2%)
Outcome Unknown
32 (27.4%)
Recovered/Normal
18 (15.4%)
Euthanized
12 (10.3%)
Died
9 (7.7%)
Recovered with Sequela
6 (5.1%)

Ofloxacin Adverse Event Insights

119 reports name Ofloxacin; 21 recorded a death outcome (17.6% of reported events, not a population-level mortality rate). Active ingredient: Ofloxacin. Administration routes: Unknown, Ophthalmic, Intraocular, Other.

By species: Dog (95 reports), Cat (21 reports), Rabbit (2 reports). By breed: Chihuahua (10), Domestic Shorthair (9), Shih Tzu (8).

Leading clinical signs: Corneal ulcer (43), Ocular discharge (26), Lethargy (see also Central nervous system depression in 'Neurological') (24), Keratoconjunctivitis sicca (24). Outcome, 117 coded reports: Ongoing leads at 34.2%.

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.