Reaction profile

The FDA adverse-event record for panleucopenia

67 FDA adverse-event reports reference panleucopenia (VeDDRA 169). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1596 of 2,481
by report volume (all reactions)
67
reports citing this reaction
37.3%
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. Panleucopenia has 67 reports now versus 67 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 Panleucopenia changes

FDA AER · VeDDRA plate

Code 169 VOL-LOW

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

  • VOL-LOW 67 reports
  • DEATH-HOT 37.3%
  • MID-PACK #1596/2481
  • PHOTO-FINISH Application site burn…
  • SPECIES-DOG Dog · 42
  • DRUG-LEAD Maropitant Citrate · 13
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Application site burning sensation (±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 Panleucopenia

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

Vomiting · highest174348Application site burn… · near67Clumsy · near67Fluid from nose · near67INEFFECTIVE, ESTRUS I… · near67Panleucopenia · this reaction67Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Panleucopenia

Panleucopenia: high death-coded share in the FDA AER plate

Signature read: Panleucopenia's 37.3% death-coded share is among the highest in the openFDA reaction corpus. Report volume sits in the middle third of the reaction corpus. Death-coded share is upper-third: 25 of 67 reports (37.3% of named reports). Nearest volume peer: Application site burning sensation (±0 reports). Lead species Dog (42). Lead co-reported drug Maropitant Citrate (13).

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 42
Cat 24
Other Canids 1

Breeds Most Affected

Domestic Shorthair 14
Retriever - Labrador 8
Maltese 3
Terrier - Bull - American Pit 3
Persian 2
Shih Tzu 2
Shepherd Dog - Australian 2
Terrier - Yorkshire 2
Bulldog 2
Bengal 2

Associated Drugs

Maropitant Citrate 13
Cefovecin 12
Oclacitinib Maleate 11
Moxidectin 6
Enrofloxacin 5
Selamectin 5
Carprofen 5
Feline Calicivirus, Strain F-9, Passage 7, Lot A; Feline Panleukopenia Virus, St 4
Ampicillin 4
Dexamethasone 3
Famotidine 3
Ampicillin Sodium & Sulbactam Sodium 3
Doxycycline 3
Anti-Il31 Mab Mcs Lot #1283563 3
Leptospira Canicola L-15 Strain C-51;Leptospira Grippotyphosa 1550 Lot 10005 Str 3
Methylprednisolone Acetate 2
Buprenorphine 2
Triamcinolone 2
Marbofloxacin 2
Amoxicillin (As Trihydrate); Clavulanate Potassium ( K-Clavulanate) 2

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Panleucopenia, 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 (67 here).

Similar death-coded share

Nearest other reactions by death-coded share (37.3% 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 Panleucopenia (#1596 of 2,481 by report volume); death-coded 37.3%. PlainBreed reaction plate · death-coded share stamp 37.3% · 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 →