Drug profile

The FDA adverse-event record for Recombinant E. Coli Bl21;Recombinant E. Coli Ecl19

2,587 FDA reports name Recombinant E. Coli Bl21;Recombinant E. Coli Ecl19, a high-volume drug in the CVM extract. Species, reactions, and outcomes follow.

#85 of 2,679
by report volume (all drugs)
2,587
adverse-event reports
2.8%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Recombinant E. Coli Bl21;Recombinant E. Coli Ecl19 ranks #85 of 2679 by total reports (2,587) and #932 of 1130 by death-coded share (2.8%). 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)
#85
This drug, reports of 2679
#932
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. Recombinant E. Coli Bl21;Recombinant E. Coli Ecl19 has 2,587 reports now versus 2,587 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 Recombinant E. Coli Bl21;Recombinant E. Coli Ecl19 changes

Signature read: 2,587 reports place Recombinant E. Coli Bl21;Recombinant E. Coli Ecl19 in the upper third of FDA AER volume (#85 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.
2,587
Total Reports
72
Deaths Reported
2.8%
Death-coded share of reports

Active Ingredients

Recombinant E. Coli Bl21;Recombinant E. Coli Ecl19

Administration Routes

SubcutaneousUnknownOralSubconjunctivalIntramuscularIntrathoracicTopicalRectal

Species Affected

Dog 2,586
Marsupial 1

Most Affected Breeds

Retriever - Labrador 383
Retriever - Golden 251
Shepherd Dog - German 152
Terrier - Bull - American Pit 109
Shepherd Dog - Australian 98
Crossbred Canine/dog 88
Siberian Husky 70
Beagle 67
Boxer (German Boxer) 57
Mountain Dog - Bernese 54

Most Reported Reactions

Lack of efficacy (bacteria) - Borrelia 1,722
Lack of efficacy (ectoparasite) - tick NOS 862
Vomiting 287
Lack of efficacy (tick) 214
Facial swelling (see also 'Skin') 154
Lethargy (see also Central nervous system depression in 'Neurological') 148
Hives (see also 'Skin') 125
Anaphylaxis 106
Lack of efficacy (bacteria) - NOS 84
Diarrhoea 81
Pale mucous membrane 62
Fever 61

Outcome Breakdown

Ongoing
2,167 (83.8%)
Recovered/Normal
301 (11.6%)
Outcome Unknown
47 (1.8%)
Euthanized
43 (1.7%)
Died
29 (1.1%)

Recombinant E. Coli Bl21;Recombinant E. Coli Ecl19: low death-coded share 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 Recombinant E. Coli Bl21;Recombinant E. Coli Ecl19, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

Similar report volume

Nearest other drugs by FDA report count (2,587 here).

Similar death-coded share

Nearest other drugs by death-coded share (2.8% here), distinct from the volume row.

What to do with this drug

  • Compare Recombinant E. Coli Bl21;Recombinant E. Coli Ecl19'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 Recombinant E. Coli Bl21;Recombinant E. Coli Ecl19 (#85 of 2,679 by report volume); death-coded 2.8%. PlainBreed drug row · report volume stamp 2,587 · 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 →