Reaction profile

The FDA adverse-event record for pinnal reddening

644 FDA reports name pinnal reddening, a high-volume reaction in the CVM extract (VeDDRA 360). Plate stamps and neighbourhood peers follow.

#545 of 2,481
by report volume (all reactions)
644
reports citing this reaction
1.4%
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. Pinnal reddening has 644 reports now versus 639 in that prior snapshot: 5 more (0.8%).

Report change
+5
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 Pinnal reddening changes

FDA AER · VeDDRA plate

Code 360 VOL-MID

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

  • VOL-MID 644 reports
  • DEATH-LOW 1.4%
  • UPPER-Q #545/2481
  • PHOTO-FINISH Hyperpigmentation
  • SPECIES-DOG Dog · 590
  • DRUG-LEAD Milbemycin Oxime… · 227
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Hyperpigmentation (±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 Pinnal reddening

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

Vomiting · highest174348Patient instructions… · near647Difficulty standing · near645Hyperpigmentation · near644Pinnal reddening · this reac…644Acute renal failure · near643Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Pinnal reddening

Pinnal reddening: low death-coded share in the FDA AER plate

Signature read: Pinnal reddening's 1.4% death-coded share is among the lowest in the openFDA reaction corpus. Report volume is upper-third scale: 644 named reports in the openFDA extract. Death-coded share is lower-third: 9 of 644 reports (1.4% of named reports). Nearest volume peer: Hyperpigmentation (±0 reports). Lead species Dog (590). Lead co-reported drug Milbemycin Oxime + Spinosad (227).

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 590
Cat 52
Cattle 1
Human 1

Breeds Most Affected

Retriever - Labrador 76
Crossbred Canine/dog 48
Retriever - Golden 38
Domestic Shorthair 34
Shepherd Dog - German 25
Chihuahua 19
Dog (unknown) 18
Shih Tzu 16
Boxer (German Boxer) 16
Beagle 15

Associated Drugs

Milbemycin Oxime + Spinosad 227
Afoxolaner 70
Moxidectin 35
Ivermectin + Pyrantel As Pamoate Salt 25
Spinosad 19
Genta/Momet/Clotrim Ear Oint 18
Selamectin 16
Prednisone 16
Maropitant Citrate 16
Betamethasone + Florfenicol + Terbinafine 16
Pyrantel Pamoate;Sarolaner 15
Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride 15
Carprofen 14
Fluralaner Chew Tablets 13
Oclacitinib Maleate 13
Tresaderm Dermatological Solution 12
Orbiflox/Momet/Posaco Eardrops 11
Dexamethasone + Neomycin Sulfate + Thiabendazole 11
Rabies Vaccine 10
Milbemycin Oxime + Praziquantel 10

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Pinnal reddening, 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 (1.4% 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 Pinnal reddening (#545 of 2,481 by report volume); death-coded 1.4%. PlainBreed reaction plate · death-coded share stamp 1.4% · 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 →