Reaction profile

The FDA adverse-event record for hyperaesthesia

1,073 FDA reports name hyperaesthesia, a high-volume reaction in the CVM extract (VeDDRA 706). Plate stamps and neighbourhood peers follow.

#374 of 2,481
by report volume (all reactions)
1,073
reports citing this reaction
8.9%
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. Hyperaesthesia has 1,073 reports now versus 1,062 in that prior snapshot: 11 more (1.0%).

Report change
+11
Death-coded reports
+2
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 Hyperaesthesia changes

FDA AER · VeDDRA plate

Code 706 VOL-MID

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

  • VOL-MID 1,073 reports
  • DEATH-PAR 8.9%
  • UPPER-Q #374/2481
  • PHOTO-FINISH Abnormal stool colour…
  • SPECIES-DOG Dog · 733
  • DRUG-LEAD Sarolaner · 128
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Abnormal stool colouration (±9 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 Hyperaesthesia

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

Vomiting · highest174348Malodour · near1083Abnormal stool colour… · near1082Hyperaesthesia · this reacti…1073CULTURE/TITER DATA AB… · near1061INEFFECTIVE, ANTIINFL… · near1059Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Hyperaesthesia

What the FDA AER plate says about Hyperaesthesia

Signature read: 1,073 reports place Hyperaesthesia in the upper third of FDA AER volume (#374 of 2,481). Report volume is upper-third scale: 1,073 named reports in the openFDA extract. 95 of 1,073 reports were death-coded (8.9% of named reports, not a population mortality rate). Nearest volume peer: Abnormal stool colouration (±9 reports). Lead species Dog (733). Lead co-reported drug Sarolaner (128).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Sarolaner 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 733
Cat 292
Human 23
Horse 19
Cattle 2
Sheep 1
Pig 1
Macaw 1
Goat 1

Breeds Most Affected

Domestic Shorthair 153
Retriever - Labrador 59
Crossbred Canine/dog 49
Chihuahua 48
Terrier - Yorkshire 38
Domestic (unspecified) 37
Boxer (German Boxer) 34
Unknown 29
Retriever - Golden 25
Dachshund (unspecified) 22

Associated Drugs

Sarolaner 128
Milbemycin Oxime + Spinosad 114
Afoxolaner 71
Pyrantel Pamoate;Sarolaner 57
Spinosad 52
Selamectin 46
Ivermectin 43
Buprenorphine 34
Imidacloprid + Moxidectin 29
Ivermectin + Pyrantel As Pamoate Salt 29
Selamectin;Sarolaner 24
Fluralaner Chew Tablets 23
Maropitant Citrate 22
Isoflurane 22
Cefovecin 22
Fluralaner 13.64% 12-Week Chew 22
Frunevetmab 21
Eprinomectin + Esafoxolaner + Praziquantel 21
Gabapentin 19
Bedinvetmab 19

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Hyperaesthesia, 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 (8.9% 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 Hyperaesthesia (#374 of 2,481 by report volume); death-coded 8.9%. PlainBreed reaction plate · report volume stamp 1,073 · 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 →