Drug profile

The FDA adverse-event record for Lysozyme & Lactoferrin

54 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Lysozyme & Lactoferrin. Species, reactions, and outcomes follow.

#1070 of 2,679
by report volume (all drugs)
54
adverse-event reports
14.8%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Lysozyme & Lactoferrin ranks #1065 of 2679 by total reports (54) and #370 of 1130 by death-coded share (14.8%). 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)
#1065
This drug, reports of 2679
#370
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. Lysozyme & Lactoferrin has 54 reports now versus 54 in that prior snapshot: 0 the same number of (0.0%).

Report change
+0
Death-coded reports
+0
Death-coded share
+0.0 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 Lysozyme & Lactoferrin changes

Signature read: death-coded report count at 8 is the most distinctive stamp on Lysozyme & Lactoferrin's FDA AER row.

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
54
Total Reports
8
Deaths Reported
14.8%
Death-coded share of reports

Active Ingredients

Lysozyme & Lactoferrin

Administration Routes

UnknownAuricular (Otic)Topical

Species Affected

Dog 52
Cat 2

Most Affected Breeds

Retriever - Labrador 10
Spaniel (unspecified) 4
Terrier - Yorkshire 4
Shih Tzu 2
Domestic Shorthair 2
Beagle 2
Shepherd Dog - German 2
Chihuahua 2
Pug 2
Bichon Frise 2

Most Reported Reactions

Lethargy (see also Central nervous system depression in 'Neurological') 11
Vomiting 7
Behavioural disorder NOS 6
Anorexia 6
Other abnormal test result NOS 5
Panting 5
Death by euthanasia 5
Abnormal ultrasound finding 4
Diarrhoea 4
Facial swelling (see also 'Skin') 4
Anaphylactoid reaction 4
INEFFECTIVE, LOSS OF EFFECT 4

Outcome Breakdown

Ongoing
27 (50.0%)
Recovered/Normal
15 (27.8%)
Euthanized
5 (9.3%)
Outcome Unknown
4 (7.4%)
Died
3 (5.6%)

Lysozyme & Lactoferrin Adverse Event Insights

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.

Nationwide drugs with similar profiles

Two openFDA-derived peer sets for Lysozyme & Lactoferrin, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

Similar death-coded share

Nearest other drugs by death-coded share (14.8% here), distinct from the volume row.

What to do with this drug

  • Compare Lysozyme & Lactoferrin'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 Lysozyme & Lactoferrin (#1070 of 2,679 by report volume); death-coded 14.8%. PlainBreed drug row · death-coded report count stamp 8 · 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 →