Drug profile

The FDA adverse-event record for Recombitek Lyme - 2126.R0

2,108 FDA reports name Recombitek Lyme - 2126.R0, a high-volume drug in the CVM extract. Species, reactions, and outcomes follow.

#109 of 2,679
by report volume (all drugs)
2,108
adverse-event reports
1.1%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Recombitek Lyme - 2126.R0 ranks #109 of 2679 by total reports (2,108) and #1058 of 1130 by death-coded share (1.1%). 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)
#109
This drug, reports of 2679
#1058
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. Recombitek Lyme - 2126.R0 has 2,108 reports now versus 2,072 in that prior snapshot: 36 more (1.7%).

Report change
+36
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 Recombitek Lyme - 2126.R0 changes

Signature read: 2,108 reports place Recombitek Lyme - 2126.R0 in the upper third of FDA AER volume (#109 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.
2,108
Total Reports
24
Deaths Reported
1.1%
Death-coded share of reports

Active Ingredients

Recombitek Lyme - 2126.R0

Administration Routes

SubcutaneousUnknownSubconjunctivalIntramuscularDentalOral

Species Affected

Dog 2,107
Horse 1

Most Affected Breeds

Retriever - Labrador 374
Retriever - Golden 234
Shepherd Dog - German 124
Shepherd Dog - Australian 102
Crossbred Canine/dog 82
Mountain Dog - Bernese 72
Beagle 65
Collie - Border 45
Siberian Husky 41
Great Pyrenees 38

Most Reported Reactions

Lack of efficacy (bacteria) - Borrelia 1,340
Lack of efficacy (ectoparasite) - tick NOS 720
Lack of efficacy (bacteria) - NOS 575
Lack of efficacy (tick) 446
Lack of efficacy (bacteria) - Anaplasma 104
Vomiting 66
Lethargy (see also Central nervous system depression in 'Neurological') 49
Diarrhoea 42
Drug dose omission 36
Systemic disorder NOS 35
Other abnormal test result NOS 34
Underdose 24

Outcome Breakdown

Outcome Unknown
1,448 (68.6%)
Ongoing
547 (25.9%)
Recovered/Normal
81 (3.8%)
Euthanized
18 (0.9%)
Recovered with Sequela
10 (0.5%)
Died
6 (0.3%)

Recombitek Lyme - 2126.R0: 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 Recombitek Lyme - 2126.R0, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

What to do with this drug

  • Compare Recombitek Lyme - 2126.R0'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 Recombitek Lyme - 2126.R0 (#109 of 2,679 by report volume); death-coded 1.1%. PlainBreed drug row · report volume stamp 2,108 · 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 →