Reaction profile

The FDA adverse-event record for ineffective, lungworms

87 FDA adverse-event reports reference ineffective, lungworms (VeDDRA 99126). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1459 of 2,481
by report volume (all reactions)
87
reports citing this reaction
23.0%
death-coded share
Dog
most-affected species

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. INEFFECTIVE, LUNGWORMS has 87 reports now versus 87 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 INEFFECTIVE, LUNGWORMS changes

FDA AER · VeDDRA plate

Code 99126 VOL-LOW

VOL-LOW · DEATH-HOT · MID-PACK · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-LOW 87 reports
  • DEATH-HOT 23.0%
  • MID-PACK #1459/2481
  • PHOTO-FINISH Bone marrow disorder…
  • SPECIES-DOG Dog · 48
  • DRUG-LEAD Ivermectin + Pyra… · 16
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Bone marrow disorder NOS (±0 reports)

Instrument codes from this reaction’s FDA CVM adverse-event extract: volume band, death-coded share, corpus rank, photo-finish peer, lead species, lead drug, breed desk, and book completeness. Not a clinical diagnosis.

Report-volume neighbourhood around INEFFECTIVE, LUNGWORMS

Highest and lowest poles plus nearest volume peers, not a full 2,500-reaction corpus board reprint.

Vomiting · highest174348Bone marrow disorder… · near87Droopy lower lip · near87INEFFECTIVE, LUNGWORMS · thi…87Localised numbness (s… · near87Low ionized calcium (… · near87Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around INEFFECTIVE, LUNGWORMS

What the FDA AER plate says about INEFFECTIVE, LUNGWORMS

Signature read: death-coded share at 23.0% is the most distinctive outcome stamp on INEFFECTIVE, LUNGWORMS. Report volume sits in the middle third of the reaction corpus. 20 of 87 reports were death-coded (23.0% of named reports, not a population mortality rate). Nearest volume peer: Bone marrow disorder NOS (±0 reports). Lead species Dog (48). Lead co-reported drug Ivermectin + Pyrantel As Pamoate Salt (16).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Ivermectin + Pyrantel As Pamoate Salt appears in filings alongside this reaction; that is association, not causation. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Dog 48
Cattle 33
Cat 5
Hedgehog 1

Breeds Most Affected

Cattle (unknown) 12
Retriever - Labrador 8
Crossbred Canine/dog 7
Aberdeen Angus 5
Shepherd Dog - German 5
Dog (unknown) 5
Beagle 4
Retriever - Golden 3
Mixed (Cattle) 3
Holstein-Friesian also known as Holstein 3

Associated Drugs

Ivermectin + Pyrantel As Pamoate Salt 16
Lufenuron + Milbemycin Oxime 7
Eprinomectin 5 Mg/Ml Pour-On Solution 7
Eprinomectin 5
Moxidectin 5
Eprinomectin 5% Injection 5
Milbemycin Oxime + Praziquantel 5
Ivermectin 4
Milbemycin, Lufenuron 3
Doramectin 3
Ivermectin/Pyrantel Pamoate Chewable 68Mcg/163Mg 3
Ivermectin/Pyrantel Pamoate Chewable 136Mcg/326Mg 3
Ivermectin(1%)/Clorsulon(10%) Injection 3
Merial La Polypropylene Syringe 3
Milbemycin 2
Selamectin 2
Ivermectin 0.5% Pour-On Topical Solution 2
Fenbendazol Granules 2
Milbemcyin Oxime, Lufenuron, Praziquantel 2
Fenbendazol Suspension 2

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for INEFFECTIVE, LUNGWORMS, both floored at ≥50 reports so the neighborhoods stay in the advertised mass (the volume chart above is the unfloored photo-finish strip).

Similar death-coded share

Nearest other reactions by death-coded share (23.0% here), distinct from the volume row.

What to do with this reaction

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 INEFFECTIVE, LUNGWORMS (#1459 of 2,481 by report volume); death-coded 23.0%. PlainBreed reaction plate · death-coded share stamp 23.0% · 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 →