Reaction profile

The FDA adverse-event record for medication error

1,235 FDA reports name medication error, a high-volume reaction in the CVM extract (VeDDRA 2282). Plate stamps and neighbourhood peers follow.

#332 of 2,481
by report volume (all reactions)
1,235
reports citing this reaction
3.9%
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. Medication error has 1,235 reports now versus 1,235 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 Medication error changes

FDA AER · VeDDRA plate

Code 2282 VOL-MID

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

  • VOL-MID 1,235 reports
  • DEATH-LOW 3.9%
  • UPPER-Q #332/2481
  • PHOTO-FINISH Drug administered at…
  • SPECIES-DOG Dog · 817
  • DRUG-LEAD Fluralaner Spot-O… · 204
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Drug administered at inappropriate site (±2 reports)

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

High-volume neighbourhood around Medication error

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

Vomiting · highest174348Flatulence · near1238Drug administered at… · near1237Medication error · this reac…1235Pneumonia · near1230INEFFECTIVE, SEDATION · near1229Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Medication error

Medication error: low death-coded share in the FDA AER plate

Signature read: 1,235 reports place Medication error in the upper third of FDA AER volume (#332 of 2,481). Report volume is upper-third scale: 1,235 named reports in the openFDA extract. Death-coded share is lower-third: 48 of 1,235 reports (3.9% of named reports). Nearest volume peer: Drug administered at inappropriate site (±2 reports). Lead species Dog (817). Lead co-reported drug Fluralaner Spot-On Solution (204).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Fluralaner Spot-On Solution 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 817
Human 195
Cat 190
Cattle 14
Horse 8
Unknown 4
Sheep 2
Other 1
Alpaca 1
Pig 1

Breeds Most Affected

Unknown 208
Crossbred Canine/dog 144
Domestic Shorthair 117
Retriever - Labrador 61
Dog (unknown) 59
Chihuahua 43
Shih Tzu 28
Terrier - Yorkshire 28
Retriever - Golden 25
Cat (unknown) 23

Associated Drugs

Fluralaner Spot-On Solution 204
Insulin Injectable Vial 152
Fluralaner 13.64% 12-Week Chew 135
Fluralaner Chew Tablets 124
Ivermectin + Pyrantel 87
Trilostane 74
Carprofen 57
Fluralaner/Moxidectin Spot-On 49
Fenbendazol Granules 33
Mirtazapine 33
Prednisone 32
Milbemycin Oxime + Spinosad 29
Desoxycorticosterone Pivalate 27
Milbemycin Oxime + Praziquantel 23
Genta/Momet/Clotrim Ear Oint 21
Grapiprant 20
Milbemycin/Lufenuron Tablets 16
Desoxycortone Pivalate 16
Orbiflox/Momet/Posaco Eardrops 13
Estriol Tablets 12

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Medication error, 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 (1,235 here).

Similar death-coded share

Nearest other reactions by death-coded share (3.9% 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 Medication error (#332 of 2,481 by report volume); death-coded 3.9%. PlainBreed reaction plate · report volume stamp 1,235 · 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 →