Drug profile

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

109 FDA reports name Neomycin Sulfate;Tetracaine Hydrochloride, a high-volume drug in the CVM extract. Species, reactions, and outcomes follow.

#747 of 2,679
by report volume (all drugs)
109
adverse-event reports
9.2%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Neomycin Sulfate;Tetracaine Hydrochloride ranks #744 of 2679 by total reports (109) and #585 of 1130 by death-coded share (9.2%). National dual: Milbemycin Oxime + Spinosad is #1 of 2679 drugs by total adverse-event reports (149,624) at death-coded-share rank 965 of 1130 drugs with at least 50 reports (2.3%); separately, Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) is #1 highest death-coded share at 97.8% (report rank #821).

149,624
Milbemycin Oxime + Spinosad reports (#1)
97.8%
Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) death share (#1)
#744
This drug, reports of 2679
#585
This drug, death share of 1130

Report volume reflects how common a breed or drug is and how often owners and vets file — not actual risk. Death-coded share ranks are limited to entries with enough reports to be meaningful. The two maps do not agree at #1.

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Neomycin Sulfate;Tetracaine Hydrochloride has 109 reports now versus 99 in that prior snapshot: 10 more (10.1%).

Report change
+10
Death-coded reports
+0
Death-coded share
−0.9 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Neomycin Sulfate;Tetracaine Hydrochloride changes

Signature read: 109 reports place Neomycin Sulfate;Tetracaine Hydrochloride in the upper third of FDA AER volume (#747 of 2,679).

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
109
Total Reports
10
Deaths Reported
9.2%
Death-coded share of reports

Active Ingredients

Neomycin Sulfate;Tetracaine Hydrochloride

Administration Routes

TopicalUnknownOphthalmicOralOtherRespiratory (Inhalation)Intraocular

Species Affected

Dog 75
Unknown 18
Cat 9
Human 6
Cattle 1

Most Affected Breeds

Unknown 24
Retriever - Labrador 10
Retriever - Golden 4
Maltese 4
Dog (unknown) 3
Shepherd Dog - German 3
Siberian Husky 3
Terrier - Bull - American Pit 3
Terrier (unspecified) 3
Bichon Frise 2

Most Reported Reactions

Polydipsia 13
Lack of efficacy - NOS 13
Lethargy (see also Central nervous system depression in 'Neurological') 12
Diarrhoea 12
Polyuria 10
Vomiting 10
Death by euthanasia 8
Urinary incontinence 8
Lethargy (see also Central nervous system depression in Neurological) 8
Anorexia 7
Seizure NOS 7
Pain NOS 7

Outcome Breakdown

Ongoing
43 (47.3%)
Outcome Unknown
25 (27.5%)
Recovered/Normal
13 (14.3%)
Euthanized
8 (8.8%)
Died
2 (2.2%)

Neomycin Sulfate;Tetracaine Hydrochloride: high report volume in the FDA AER row

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.

High-volume nationwide drug peers

Two openFDA-derived peer sets for Neomycin Sulfate;Tetracaine Hydrochloride, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

Similar report volume

Nearest other drugs by FDA report count (109 here).

Similar death-coded share

Nearest other drugs by death-coded share (9.2% here), distinct from the volume row.

What to do with this drug

  • Compare Neomycin Sulfate;Tetracaine Hydrochloride's report volume and death-coded share against similar drugs nationwide. See similar drugs
  • Read how death-coded share differs from a mortality rate before drawing conclusions. Understanding adverse events
  • Browse the full drug directory to compare report counts across products. All drugs

A report does not prove a drug caused the reaction; consult a veterinarian before acting on this data.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Neomycin Sulfate;Tetracaine Hydrochloride (#747 of 2,679 by report volume); death-coded 9.2%. PlainBreed drug row · report volume stamp 109 · vintage 2025.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →