Reaction profile

The FDA adverse-event record for application site pruritus

2,009 FDA reports name application site pruritus, a high-volume reaction in the CVM extract (VeDDRA 25). Plate stamps and neighbourhood peers follow.

#229 of 2,481
by report volume (all reactions)
2,009
reports citing this reaction
0.8%
death-coded share
Cat
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. Application site pruritus has 2,009 reports now versus 1,999 in that prior snapshot: 10 more (0.5%).

Report change
+10
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 Application site pruritus changes

FDA AER · VeDDRA plate

Code 25 VOL-MID

VOL-MID · DEATH-RARE · TOP-DECILE · PHOTO-FINISH · SPECIES-CAT · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-MID 2,009 reports
  • DEATH-RARE 0.8%
  • TOP-DECILE #229/2481
  • PHOTO-FINISH INEFFECTIVE, WHIPS
  • SPECIES-CAT Cat · 1,362
  • DRUG-LEAD Imidacloprid + Mo… · 575
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: INEFFECTIVE, WHIPS (±2 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 Application site pruritus

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

Vomiting · highest174348Application site prur… · thi…2009INEFFECTIVE, WHIPS · near2007Abnormal cytology · near2004Cardiac arrest · near2003Hind limb ataxia · near1999Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Application site pruritus

Application site pruritus: low death-coded share in the FDA AER plate

Signature read: 2,009 reports place Application site pruritus in the upper third of FDA AER volume (#229 of 2,481). Report volume is upper-third scale: 2,009 named reports in the openFDA extract. Death-coded share is lower-third: 16 of 2,009 reports (0.8% of named reports). Nearest volume peer: INEFFECTIVE, WHIPS (±2 reports). Lead species Cat (1,362). Lead co-reported drug Imidacloprid + Moxidectin (575).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Imidacloprid + 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

Cat 1,362
Dog 609
Human 21
Horse 9
Rabbit 3
Cattle 1
Camel 1
Hedgehog 1
Ferret 1
Lynx 1

Breeds Most Affected

Domestic Shorthair 783
Domestic (unspecified) 170
Domestic Longhair 102
Domestic Mediumhair 70
Cat (unknown) 65
Crossbred Canine/dog 58
Terrier - Yorkshire 44
Siamese 38
Chihuahua 36
Shih Tzu 34

Associated Drugs

Imidacloprid + Moxidectin 575
Selamectin 505
Emodepside + Praziquantel 266
Selamectin;Sarolaner 124
Flumethrin-Imidacloprid 122
Fluralaner Spot-On Solution 92
Buprenorphine 45
Imidacloprid, Moxidectin 40
Rabies Vaccine 38
Imidacloprid + Permethrin + Pyriproxyfen 35
Imidacloprid + Pyriproxyfen 29
Fluralaner/Moxidectin Spot-On 26
Emodepside, Praziquantel 25
Methylprednisolone Acetate 24
Chlorhexidine Gluconate + Climbazole + Phytosphingosine Salicyloyl 24
Shampoo 23
Ivermectin + Pyrantel As Pamoate Salt 22
Ophytrium 22
Cefovecin Sodium 21
Chlorhexidine + Ophytrium 21

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Application site pruritus, 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 (2,009 here).

Similar death-coded share

Nearest other reactions by death-coded share (0.8% 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 Application site pruritus (#229 of 2,481 by report volume); death-coded 0.8%. PlainBreed reaction plate · report volume stamp 2,009 · 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 →