Reaction profile

The FDA adverse-event record for mental function decreased

117 FDA adverse-event reports reference mental function decreased (VeDDRA 1611). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1315 of 2,481
by report volume (all reactions)
117
reports citing this reaction
34.2%
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. Mental function decreased has 117 reports now versus 116 in that prior snapshot: 1 more (0.9%).

Report change
+1
Death-coded reports
+0
Death-coded share
−0.3 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 Mental function decreased changes

FDA AER · VeDDRA plate

Code 1611 VOL-LOW

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

  • VOL-LOW 117 reports
  • DEATH-HOT 34.2%
  • MID-PACK #1315/2481
  • PHOTO-FINISH Cold feeling of extre…
  • SPECIES-DOG Dog · 92
  • DRUG-LEAD Bedinvetmab · 17
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Cold feeling of extremity (±0 reports)

Upper-third death-coded share drives the outcome stamps on this plate; volume band, corpus rank, and co-report peers follow. Not a clinical diagnosis.

Report-volume neighbourhood around Mental function decreased

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

Vomiting · highest174348Cold feeling of extre… · near117Mental function decre… · thi…117Nervous · near117Rotatory nystagmus · near117Teeth grinding · near117Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Mental function decreased

Mental function decreased: high death-coded share in the FDA AER plate

Signature read: Mental function decreased's 34.2% death-coded share is among the highest in the openFDA reaction corpus. Report volume sits in the middle third of the reaction corpus. Death-coded share is upper-third: 40 of 117 reports (34.2% of named reports). Nearest volume peer: Cold feeling of extremity (±0 reports). Lead species Dog (92). Lead co-reported drug Bedinvetmab (17).

Read these counts as reporting volume, not risk: per our methodology, A high death-coded share in FDA filings does not prove causation; co-reporting is voluntary temporal association only. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Dog 92
Cat 24
Human 1

Breeds Most Affected

Domestic Shorthair 16
Retriever - Labrador 7
Crossbred Canine/dog 7
Domestic Longhair 4
Shepherd Dog - German 4
Shih Tzu 4
Poodle - Standard 4
Retriever - Golden 4
Cattle Dog - Australian (blue heeler, red heeler, Queensland cattledog) 3
Beagle 3

Associated Drugs

Bedinvetmab 17
Milbemycin Oxime + Spinosad 16
Afoxolaner 12
Carprofen 8
Gabapentin 8
Maropitant Citrate 7
Buprenorphine 6
Moxidectin 6
Pyrantel Pamoate;Sarolaner 5
Oclacitinib Maleate 4
Fluralaner Spot-On Solution 4
Ivermectin + Pyrantel As Pamoate Salt 4
Emodepside + Praziquantel 3
Propofol 3
Isoflurane 3
Cefovecin 3
Prednisolone 3
Butorphanol 3
Cyclosporine 3
Insulin Injectable Vial 3

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Mental function decreased, 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 (117 here).

Similar death-coded share

Nearest other reactions by death-coded share (34.2% 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 Mental function decreased (#1315 of 2,481 by report volume); death-coded 34.2%. PlainBreed reaction plate · death-coded share stamp 34.2% · 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 →