Reaction profile

The FDA adverse-event record for urticarial erythema

77 FDA adverse-event reports reference urticarial erythema (VeDDRA 1859). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1526 of 2,481
by report volume (all reactions)
77
reports citing this reaction
2.6%
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. Urticarial erythema has 77 reports now versus 77 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 Urticarial erythema changes

FDA AER · VeDDRA plate

Code 1859 VOL-LOW

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

  • VOL-LOW 77 reports
  • DEATH-LOW 2.6%
  • MID-PACK #1526/2481
  • PHOTO-FINISH Application site twit…
  • SPECIES-DOG Dog · 67
  • DRUG-LEAD Moxidectin · 25
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Application site twitching (±0 reports)

Instrument codes from this reaction’s FDA CVM adverse-event extract: volume band, death-coded share, corpus rank, photo-finish peer, lead species, lead drug, breed desk, and book completeness. Not a clinical diagnosis.

Report-volume neighbourhood around Urticarial erythema

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

Vomiting · highest174348Application site twit… · near77Cutaneous oedema · near77Dermal plaque · near77Drug preparation error · near77Urticarial erythema · this r…77Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Urticarial erythema

Urticarial erythema: low death-coded share in the FDA AER plate

Signature read: Urticarial erythema's 2.6% death-coded share is among the lowest in the openFDA reaction corpus. Report volume sits in the middle third of the reaction corpus. Death-coded share is lower-third: 2 of 77 reports (2.6% of named reports). Nearest volume peer: Application site twitching (±0 reports). Lead species Dog (67). Lead co-reported drug Moxidectin (25).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Moxidectin 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 67
Cat 4
Human 4
Pig 1
Donkey 1

Breeds Most Affected

Terrier - Bull - American Pit 11
Boxer (German Boxer) 4
Retriever - Labrador 4
Chihuahua 4
Unknown 4
Domestic Shorthair 3
Terrier - Yorkshire 3
Pit Bull 2
Dog (unknown) 2
Dachshund - Miniature 2

Associated Drugs

Moxidectin 25
Afoxolaner 10
Fluralaner Chew Tablets 7
Diphenhydramine 6
Milbemycin Oxime + Spinosad 4
Anti-Il31 Mab Mcs Lot #1283563 4
Imidacloprid + Moxidectin 3
Propofol 3
Isoflurane 3
Afoxolaner 136 Mg Chewable Tablets 3
Leptospira Canicola L-15 Strain C-51;Leptospira Grippotyphosa 1550 Lot 10005 Str 3
Diphenhydramine Hcl 3
Bordetella Bronchiseptica, Strain 78-9159 3
Dexamethasone 2
Afoxolaner 2.27% Chewable Tablet (68 Mg) 2
Fluids 2
Afoxolaner 68 Mg Chewable Tablets 2
Meloxicam 2
Ivermectin + Pyrantel As Pamoate Salt 2
Milbemycin Oxime + Praziquantel 2

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Urticarial erythema, 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 (77 here).

Similar death-coded share

Nearest other reactions by death-coded share (2.6% 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 Urticarial erythema (#1526 of 2,481 by report volume); death-coded 2.6%. PlainBreed reaction plate · death-coded share stamp 2.6% · 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 →