Drug profile

The FDA adverse-event record for Recombitek 4 Lepto - 2668.00

63 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Recombitek 4 Lepto - 2668.00. Species, reactions, and outcomes follow.

#993 of 2,679
by report volume (all drugs)
63
adverse-event reports
9.5%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Recombitek 4 Lepto - 2668.00 ranks #985 of 2679 by total reports (63) and #561 of 1130 by death-coded share (9.5%). 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)
#985
This drug, reports of 2679
#561
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 4 Lepto - 2668.00 has 63 reports now versus 63 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 Recombitek 4 Lepto - 2668.00 changes

Signature read: report volume at 63 is the most distinctive stamp on Recombitek 4 Lepto - 2668.00'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.
63
Total Reports
6
Deaths Reported
9.5%
Death-coded share of reports

Active Ingredients

Recombitek 4 Lepto - 2668.00

Administration Routes

SubcutaneousUnknownIntramuscular

Species Affected

Dog 63

Most Affected Breeds

Retriever - Labrador 10
Shih Tzu 6
Crossbred Canine/dog 5
Retriever - Golden 4
Beagle 4
Chihuahua 4
Rottweiler 3
Bulldog - French 3
Ridgeback - Rhodesian 2
Terrier - Yorkshire 2

Most Reported Reactions

Lethargy (see also Central nervous system depression in 'Neurological') 20
Vomiting 17
Anorexia 12
Other abnormal test result NOS 7
Seizure NOS 7
Not eating 6
Anaemia NOS 5
Elevated alanine aminotransferase (ALT) 5
Injection site swelling 4
Elevated serum alkaline phosphatase (SAP) 4
Diarrhoea 4
Behavioural disorder NOS 4

Outcome Breakdown

Recovered/Normal
25 (39.1%)
Outcome Unknown
23 (35.9%)
Ongoing
9 (14.1%)
Died
5 (7.8%)
Euthanized
2 (3.1%)

Recombitek 4 Lepto - 2668.00 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 Recombitek 4 Lepto - 2668.00, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

Similar report volume

Nearest other drugs by FDA report count (63 here).

Similar death-coded share

Nearest other drugs by death-coded share (9.5% here), distinct from the volume row.

What to do with this drug

  • Compare Recombitek 4 Lepto - 2668.00'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 4 Lepto - 2668.00 (#993 of 2,679 by report volume); death-coded 9.5%. PlainBreed drug row · report volume stamp 63 · 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 →