Reaction profile

The FDA adverse-event record for enlarged lymph nodes (generalised)

344 FDA reports name enlarged lymph nodes (generalised), a high-volume reaction in the CVM extract (VeDDRA 2426). Plate stamps and neighbourhood peers follow.

#820 of 2,481
by report volume (all reactions)
344
reports citing this reaction
25.9%
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. Enlarged lymph nodes (generalised) has 344 reports now versus 339 in that prior snapshot: 5 more (1.5%).

Report change
+5
Death-coded reports
+1
Death-coded share
−0.1 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 Enlarged lymph nodes (generalised) changes

FDA AER · VeDDRA plate

Code 2426 VOL-LOW

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

  • VOL-LOW 344 reports
  • DEATH-HOT 25.9%
  • MID-PACK #820/2481
  • PHOTO-FINISH Blistering (see also…
  • SPECIES-DOG Dog · 315
  • DRUG-LEAD Oclacitinib Malea… · 86
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Blistering (see also Application site SOC) (±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 Enlarged lymph nodes

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

Vomiting · highest174348Applicator, Abnormal · near346INEFFECTIVE, PARASITE… · near345Blistering (see also… · near344Enlarged lymph nodes… · this…344ULTRASOUND, LIVER ABN… · near343Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Enlarged lymph nodes (generalised)

Enlarged lymph nodes (generalised): high death-coded share in the FDA AER plate

Signature read: 89 death-coded reports is a heavy tail count for Enlarged lymph nodes (generalised) in the CVM extract. Report volume is upper-third scale: 344 named reports in the openFDA extract. Death-coded share is upper-third: 89 of 344 reports (25.9% of named reports). Nearest volume peer: Blistering (see also Application site SOC) (±0 reports). Lead species Dog (315). Lead co-reported drug Oclacitinib Maleate (86).

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 315
Cat 27
Cattle 1
Ferret 1

Breeds Most Affected

Retriever - Labrador 43
Crossbred Canine/dog 20
Domestic Shorthair 19
Dog (unknown) 16
Retriever - Golden 14
Shepherd Dog - German 13
Boxer (German Boxer) 13
Chihuahua 10
Terrier - Yorkshire 8
Terrier - Bull - American Pit 7

Associated Drugs

Oclacitinib Maleate 86
Bedinvetmab 39
Prednisone 30
Carprofen 25
Maropitant Citrate 25
Fluralaner Chew Tablets 22
Gabapentin 19
Trilostane 18
Anti-Il31 Mab Mcs Lot #1283563 17
Afoxolaner 15
Metronidazole 13
Grapiprant 13
Enrofloxacin 11
Cyclosporine 11
Prednisolone 10
Moxidectin 10
Lotilaner 10
Doxycycline 9
Milbemycin Oxime + Praziquantel 9
Famotidine 8

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Enlarged lymph nodes (generalised), 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 (25.9% 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 Enlarged lymph nodes (generalised) (#820 of 2,481 by report volume); death-coded 25.9%. PlainBreed reaction plate · death-coded report count stamp 89 · 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 →