Drug profile

The FDA adverse-event record for Merial La Polypropylene Syringe

84 FDA reports name Merial La Polypropylene Syringe, a high-volume drug in the CVM extract. Species, reactions, and outcomes follow.

#859 of 2,679
by report volume (all drugs)
84
adverse-event reports
4.8%
death-coded share
Unknown
most-reported species
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Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Merial La Polypropylene Syringe ranks #858 of 2679 by total reports (84) and #800 of 1130 by death-coded share (4.8%). 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)
#858
This drug, reports of 2679
#800
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. Merial La Polypropylene Syringe has 84 reports now versus 84 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 Merial La Polypropylene Syringe changes

Signature read: Merial La Polypropylene Syringe's 4.8% death-coded share is among the lowest in the openFDA drug corpus.

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
84
Total Reports
4
Deaths Reported
4.8%
Death-coded share of reports

Active Ingredients

Merial La Polypropylene Syringe

Administration Routes

UnknownSubcutaneousUnassignedParenteralIntramuscular

Species Affected

Unknown 47
Cattle 35
Human 2

Most Affected Breeds

Unknown 49
Aberdeen Angus 14
Crossbred Bovine/Cattle 7
Cattle (other) 5
Cattle (unknown) 5
Beefmaster 3
Charolais 1

Most Reported Reactions

Stopper, abnormal 21
Uncoded sign 14
Lack of efficacy - NOS 12
Caps, Abnormal 8
Device Defective NOS 8
Systemic disorder NOS 8
Low weight gain 8
Lack of efficacy (endoparasite) - NOS 8
Scratching 6
Hair loss NOS 5
Poor coat condition 5
Death 5

Outcome Breakdown

Outcome Unknown
28 (75.7%)
Died
4 (10.8%)
Ongoing
4 (10.8%)
Recovered/Normal
1 (2.7%)

Merial La Polypropylene Syringe: 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 Merial La Polypropylene Syringe, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

Similar death-coded share

Nearest other drugs by death-coded share (4.8% here), distinct from the volume row.

Lufenuron 4.8% Eprinomectin + Praziquantel 4.8% Device: Skin Stapler/Staples 4.7% Ivermectin And Pyrantel 4.7%

What to do with this drug

  • Compare Merial La Polypropylene Syringe'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 Merial La Polypropylene Syringe (#859 of 2,679 by report volume); death-coded 4.8%. PlainBreed drug row · death-coded share stamp 4.8% · 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 →