Drug profile

The FDA adverse-event record for Neomycin Sulfate;Tetracaine Hydrochloride

93 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Neomycin Sulfate;Tetracaine Hydrochloride. See the species affected, top reactions, and outcomes below.

93
adverse-event reports
10.8%
death-coded share
Dog
most-reported species
12
Lethargy (see also Central nervous system depression in 'Neurological') - 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.
93
Total Reports
10
Deaths Reported
10.8%
Death Rate

Active Ingredients

Neomycin Sulfate;Tetracaine Hydrochloride

Administration Routes

TopicalUnknownOphthalmicOralOtherRespiratory (Inhalation)Intraocular

Species Affected

Dog 68
Unknown 11
Cat 7
Human 6
Cattle 1

Most Affected Breeds

Unknown 17
Retriever - Labrador 9
Retriever - Golden 4
Maltese 4
Dog (unknown) 3
Shepherd Dog - German 3
Siberian Husky 3
Terrier - Bull - American Pit 3
Bichon Frise 2
Domestic Mediumhair 2

Most Reported Reactions

Lethargy (see also Central nervous system depression in 'Neurological') 12
Polydipsia 12
Lack of efficacy - NOS 11
Polyuria 9
Diarrhoea 9
Vomiting 9
Death by euthanasia 8
Anorexia 7
Seizure NOS 7
Lethargy (see also Central nervous system depression in Neurological) 7
Loose stool 6
Urinary incontinence 6

Outcome Breakdown

Ongoing
36 (43.9%)
Outcome Unknown
24 (29.3%)
Recovered/Normal
12 (14.6%)
Euthanized
8 (9.8%)
Died
2 (2.4%)

Neomycin Sulfate;Tetracaine Hydrochloride Adverse Event Insights

93 reports name Neomycin Sulfate;Tetracaine Hydrochloride; 10 recorded a death outcome (10.8% of reported events, not a population-level mortality rate). Active ingredient: Neomycin Sulfate;Tetracaine Hydrochloride. Administration routes: Topical, Unknown, Ophthalmic, Oral.

By species: Dog (68 reports), Unknown (11 reports), Cat (7 reports). By breed: Unknown (17), Retriever - Labrador (9), Retriever - Golden (4).

Leading clinical signs: Lethargy (see also Central nervous system depression in 'Neurological') (12), Polydipsia (12), Lack of efficacy - NOS (11), Polyuria (9). Outcome, 82 coded reports: Ongoing leads at 43.9%.

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.