Reaction profile

The FDA adverse-event record for abnormal test result

377 FDA reports name abnormal test result, a high-volume reaction in the CVM extract (VeDDRA 1221). Plate stamps and neighbourhood peers follow.

#762 of 2,481
by report volume (all reactions)
377
reports citing this reaction
33.7%
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. Abnormal test result has 377 reports now versus 377 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 Abnormal test result changes

FDA AER · VeDDRA plate

Code 1221 VOL-LOW

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

  • VOL-LOW 377 reports
  • DEATH-HOT 33.7%
  • MID-PACK #762/2481
  • PHOTO-FINISH Cellulitis
  • SPECIES-DOG Dog · 235
  • DRUG-LEAD Ivermectin + Pyra… · 127
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Cellulitis (±0 reports)

Upper-third death-coded share drives the outcome stamps on this plate; volume band, corpus rank, and co-report peers follow. Not a clinical diagnosis.

High-volume neighbourhood around Abnormal test result

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

Vomiting · highest174348Increased drinking · near378Abnormal test result · this …377Cellulitis · near377Residues in milk · near377Weight fluctuation · near377Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Abnormal test result

Abnormal test result: high death-coded share in the FDA AER plate

Signature read: 127 death-coded reports is a heavy tail count for Abnormal test result in the CVM extract. Report volume is upper-third scale: 377 named reports in the openFDA extract. Death-coded share is upper-third: 127 of 377 reports (33.7% of named reports). Nearest volume peer: Cellulitis (±0 reports). Lead species Dog (235). Lead co-reported drug Ivermectin + Pyrantel As Pamoate Salt (127).

Read these counts as reporting volume, not risk: per our methodology, A high death-coded share in FDA filings does not prove causation; co-reporting is voluntary temporal association only. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Dog 235
Cattle 124
Cat 14
Pig 2
Sheep 1
Horse 1

Breeds Most Affected

Cattle (other) 64
Retriever - Labrador 35
Mixed (Cattle) 35
Retriever - Golden 18
Shepherd Dog - German 14
Beagle 14
Holstein-Friesian also known as Holstein 11
Crossbred Canine/dog 11
Shih Tzu 9
Domestic Shorthair 8

Associated Drugs

Ivermectin + Pyrantel As Pamoate Salt 127
Ceftiofur Crystalline Free Acid 71
Bovine Parainfluenza Virus 3 (Ts), Rlb103 (Nl-Bk-6), Mlv; Bovine Respiratory Syn 51
Bovine Respiratory Syncytial Virus, 597-10 10Th Psg Strain 375; Bovine Viral Dia 48
Tulathromycin 42
Bovine Viral Diarrhea Virus, Type 2, Strain 53637, Lot Bvd2Mlv-D; Bovine Viral D 26
Milbemycin Oxime, Lufenuron 22
Bovine Parainfluenza Virus 3, Reisinger(Nl-Bk-6), Mlv; Bovine Respiratory Syncyt 21
Clostridium Chauvoei, Strain F, Lot No. 2-84; Clostridium Novyi, 8296, Kb; Clost 18
Doramectin; Phenol 15
Doramectin 10
Bovine Parainfluenza Virus 3 (Ts), Rlb103 (Nl-Bk-6), Mlv; Infectious Bovine Rhin 10
Milbemcyin Oxime, Lufenuron, Praziquantel 10
Albendazole 9
Recombinant Human Insulin 9
Maropitant Citrate 7
Metronidazole 7
Fluralaner Chew Tablets 7
Imidacloprid + Moxidectin 6
Oclacitinib Maleate 6

Nationwide reactions with similar profiles

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

Similar report volume

Nearest other reactions by FDA report count (377 here).

Similar death-coded share

Nearest other reactions by death-coded share (33.7% 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 Abnormal test result (#762 of 2,481 by report volume); death-coded 33.7%. PlainBreed reaction plate · death-coded report count stamp 127 · 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 →