Reaction profile

The FDA adverse-event record for pruritus

17,227 FDA reports name pruritus, a high-volume reaction in the CVM extract (VeDDRA 960). Plate stamps and neighbourhood peers follow.

#23 of 2,481
by report volume (all reactions)
17,227
reports citing this reaction
1.3%
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. Pruritus has 17,227 reports now versus 17,146 in that prior snapshot: 81 more (0.5%).

Report change
+81
Death-coded reports
+2
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 Pruritus changes

FDA AER · VeDDRA plate

Code 960 VOL-HIGH

VOL-HIGH · DEATH-LOW · TOP-DECILE · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-HIGH 17,227 reports
  • DEATH-LOW 1.3%
  • TOP-DECILE #23/2481
  • PHOTO-FINISH Decreased appetite
  • SPECIES-DOG Dog · 13,725
  • DRUG-LEAD Imidacloprid + Mo… · 2,285
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Decreased appetite (±604 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 Pruritus

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

Vomiting · highest174348Decreased appetite · near17831Pruritus · this reaction17227Lack of efficacy (ect… · near16245Tablets, Abnormal · near16188Elevated alanine amin… · near15967Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Pruritus

Pruritus: low death-coded share in the FDA AER plate

Signature read: 17,227 reports place Pruritus in the upper third of FDA AER volume (#23 of 2,481). Report volume is upper-third scale: 17,227 named reports in the openFDA extract. Death-coded share is lower-third: 221 of 17,227 reports (1.3% of named reports). Nearest volume peer: Decreased appetite (±604 reports). Lead species Dog (13,725). Lead co-reported drug Imidacloprid + Moxidectin (2,285).

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

Dog 13,725
Cat 2,954
Cattle 252
Human 208
Horse 60
Unknown 8
Wolf 4
Ferret 4
Other 2
Bat 2

Breeds Most Affected

Domestic Shorthair 1,586
Crossbred Canine/dog 1,176
Retriever - Labrador 1,175
Chihuahua 837
Terrier - Yorkshire 656
Dog (unknown) 637
Shih Tzu 629
Shepherd Dog - German 591
Retriever - Golden 464
Maltese 308

Associated Drugs

Imidacloprid + Moxidectin 2,285
Afoxolaner 1,922
Milbemycin Oxime + Spinosad 1,812
Spinosad 1,717
Moxidectin 945
Selamectin 812
Nitenpyram 721
Frunevetmab 637
Fluralaner Chew Tablets 578
Ivermectin + Pyrantel As Pamoate Salt 502
Oclacitinib Maleate 471
Cyclosporine 346
Carprofen 300
Flumethrin-Imidacloprid 261
Pyrantel Pamoate;Sarolaner 261
Sarolaner 254
Ivermectin 253
Anti-Il31 Mab Mcs Lot #1283563 224
Cefovecin 218
Imidacloprid + Pyriproxyfen 217

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Pruritus, both floored at ≥50 reports so the neighborhoods stay in the advertised mass (the volume chart above is the unfloored photo-finish strip).

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 Pruritus (#23 of 2,481 by report volume); death-coded 1.3%. PlainBreed reaction plate · report volume stamp 17,227 · 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 →