Reaction profile

The FDA adverse-event record for blistering (see also application site soc)

344 FDA reports name blistering (see also application site soc), a high-volume reaction in the CVM extract (VeDDRA 1347). Plate stamps and neighbourhood peers follow.

#819 of 2,481
by report volume (all reactions)
344
reports citing this reaction
4.7%
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. Blistering (see also Application site SOC) has 344 reports now versus 339 in that prior snapshot: 5 more (1.5%).

Report change
+5
Death-coded reports
+0
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 Blistering (see also Application site SOC) changes

FDA AER · VeDDRA plate

Code 1347 VOL-LOW

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

  • VOL-LOW 344 reports
  • DEATH-LOW 4.7%
  • MID-PACK #819/2481
  • PHOTO-FINISH Enlarged lymph nodes…
  • SPECIES-DOG Dog · 286
  • DRUG-LEAD Milbemycin Oxime… · 50
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Enlarged lymph nodes (generalised) (±0 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 Blistering

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

Vomiting · highest174348Applicator, Abnormal · near346INEFFECTIVE, PARASITE… · near345Blistering (see also… · this…344Enlarged lymph nodes… · near344ULTRASOUND, LIVER ABN… · near343Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Blistering (see also Application site SOC)

Blistering (see also Application site SOC): low death-coded share in the FDA AER plate

Signature read: Blistering (see also Application site SOC)'s 4.7% death-coded share is among the lowest in the openFDA reaction corpus. Report volume is upper-third scale: 344 named reports in the openFDA extract. Death-coded share is lower-third: 16 of 344 reports (4.7% of named reports). Nearest volume peer: Enlarged lymph nodes (generalised) (±0 reports). Lead species Dog (286). Lead co-reported drug Milbemycin Oxime + Spinosad (50).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Milbemycin Oxime + Spinosad 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 286
Human 31
Cat 19
Horse 7
Cattle 1

Breeds Most Affected

Unknown 32
Retriever - Labrador 24
Chihuahua 16
Shepherd Dog - German 14
Crossbred Canine/dog 14
Retriever - Golden 12
Domestic Shorthair 11
Pit Bull 10
Dog (unknown) 9
Dachshund (unspecified) 8

Associated Drugs

Milbemycin Oxime + Spinosad 50
Oclacitinib Maleate 31
Afoxolaner 30
Fluralaner Chew Tablets 26
Imidacloprid + Moxidectin 19
Ivermectin + Pyrantel As Pamoate Salt 17
Cefovecin 13
Anti-Il31 Mab Mcs Lot #1283563 13
Pyrantel Pamoate;Sarolaner 13
Trilostane 12
Spinosad 11
Prednisone 11
Diphenhydramine 10
Maropitant Citrate 9
Ivermectin 8
Buprenorphine 8
Milbemycin Oxime + Praziquantel 8
Sarolaner 8
Selamectin 7
Fluralaner 13.64% 12-Week Chew 7

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Blistering (see also Application site SOC), 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 (4.7% 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 Blistering (see also Application site SOC) (#819 of 2,481 by report volume); death-coded 4.7%. PlainBreed reaction plate · death-coded share stamp 4.7% · 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 →