Reaction profile

The FDA adverse-event record for abnormal red blood cell

334 FDA adverse-event reports reference abnormal red blood cell (VeDDRA 2217). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#830 of 2,481
by report volume (all reactions)
334
reports citing this reaction
31.4%
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 red blood cell has 334 reports now versus 329 in that prior snapshot: 5 more (1.5%).

Report change
+5
Death-coded reports
+1
Death-coded share
−0.2 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 red blood cell changes

FDA AER · VeDDRA plate

Code 2217 VOL-LOW

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

  • VOL-LOW 334 reports
  • DEATH-HOT 31.4%
  • MID-PACK #830/2481
  • PHOTO-FINISH Surgical site disorder
  • SPECIES-DOG Dog · 284
  • DRUG-LEAD Carprofen · 38
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Surgical site disorder (±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.

Report-volume neighbourhood around Abnormal red blood cell

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

Vomiting · highest174348Crackles on auscultat… · near335Abnormal red blood ce… · thi…334Surgical site disorder · near334Circling - behavioura… · near333Milk production decre… · near333Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Abnormal red blood cell

Abnormal red blood cell: high death-coded share in the FDA AER plate

Signature read: 105 death-coded reports is a heavy tail count for Abnormal red blood cell in the CVM extract. Report volume sits in the middle third of the reaction corpus. Death-coded share is upper-third: 105 of 334 reports (31.4% of named reports). Nearest volume peer: Surgical site disorder (±0 reports). Lead species Dog (284). Lead co-reported drug Carprofen (38).

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 284
Cat 46
Horse 3
Cattle 1

Breeds Most Affected

Retriever - Labrador 35
Domestic Shorthair 31
Crossbred Canine/dog 24
Retriever - Golden 13
Shih Tzu 13
Chihuahua 9
Beagle 8
Pug 8
Shepherd Dog - German 8
Bichon Frise 7

Associated Drugs

Carprofen 38
Fluralaner Chew Tablets 34
Maropitant Citrate 32
Milbemycin Oxime + Spinosad 30
Oclacitinib Maleate 28
Gabapentin 22
Prednisone 21
Afoxolaner 18
Doxycycline 17
Maropitant 16
Cyclosporine 15
Moxidectin 15
Selamectin 14
Spinosad 12
Meloxicam 12
Famotidine 12
Trilostane 12
Grapiprant 12
Bedinvetmab 12
Enrofloxacin 11

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Abnormal red blood cell, 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 (31.4% 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 red blood cell (#830 of 2,481 by report volume); death-coded 31.4%. PlainBreed reaction plate · death-coded report count stamp 105 · 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 →