Reaction profile

The FDA adverse-event record for ineffective, strongyloids

49 FDA reports name ineffective, strongyloids, a lower-volume reaction in the CVM extract (VeDDRA 99152). Plate stamps and neighbourhood peers follow.

#1744 of 2,481
by report volume (all reactions)
49
reports citing this reaction
6.1%
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, STRONGYLOIDS has 49 reports now versus 49 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, STRONGYLOIDS changes

FDA AER · VeDDRA plate

Code 99152 VOL-TRACE

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

  • VOL-TRACE 49 reports
  • DEATH-PAR 6.1%
  • MID-PACK #1744/2481
  • PHOTO-FINISH Entropion
  • SPECIES-DOG Dog · 38
  • DRUG-LEAD Ivermectin + Pyra… · 18
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Entropion (±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.

Lower-volume neighbourhood around INEFFECTIVE, STRONGYLOIDS

Lower-third volume poles plus nearest peers, not a full reaction corpus board reprint.

Vomiting · highest174348Entropion · near49Hepatic fibrosis · near49INEFFECTIVE, STRONGYL… · thi…49Nerve damage NOS · near49Pinnal ulcer · near49Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around INEFFECTIVE, STRONGYLOIDS

INEFFECTIVE, STRONGYLOIDS: low death-coded share in the FDA AER plate

Signature read: 3 death-coded reports is a thin tail count for INEFFECTIVE, STRONGYLOIDS in the CVM extract. Report volume is lower-third scale: 49 named reports in the openFDA extract. Death-coded share is lower-third: 3 of 49 reports (6.1% of named reports). Nearest volume peer: Entropion (±0 reports). Lead species Dog (38). Lead co-reported drug Ivermectin + Pyrantel As Pamoate Salt (18).

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 38
Cattle 6
Horse 3
Sheep 2

Breeds Most Affected

Retriever - Labrador 10
Shih Tzu 4
Crossbred Bovine/Cattle 3
Quarter Horse 3
Retriever - Golden 3
Cattle (other) 2
Sheep (unknown) 2
Dog (unknown) 2
Cattle (unknown) 1
Pug 1

Associated Drugs

Ivermectin + Pyrantel As Pamoate Salt 18
Lufenuron + Milbemycin Oxime 4
Ivermectin 3
Milbemycin Oxime + Praziquantel 3
Milbemycin 2
Doramectin 2
Moxidectin 2
Ivermectin/Pyrantel Pamoate Chewable 136Mcg/326Mg 2
Ivermectin, Pyrantel 1
Pyrantel Tartrate 1
Ivermectin/Pyrantel Pamoate Chewable 68Mcg/163Mg 1
Oxfendazole 1
Milbemycin Oxime + Spinosad 1
Bovine Respiratory Syncytial Virus, 597-10 10Th Psg Strain 375; Bovine Viral Dia 1
Bovine Parainfluenza Virus 3 (Ts), Rlb103 (Nl-Bk-6), Mlv; Bovine Respiratory Syn 1
Doramectin; Phenol 1
Ivermectin/Pyrantel Pamoate Chewable 272Mcg/652Mg 1
Milbemcyin Oxime, Lufenuron, Praziquantel 1
Ivermectin + Pyrantel 1
Milbemycin Oxime, Lufenuron 1

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, STRONGYLOIDS (#1744 of 2,481 by report volume); death-coded 6.1%. PlainBreed reaction plate · death-coded report count stamp 3 · 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 →