Reaction profile

The FDA adverse-event record for impaired swallowing

100 FDA adverse-event reports reference impaired swallowing (VeDDRA 284). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1398 of 2,481
by report volume (all reactions)
100
reports citing this reaction
38.0%
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. Impaired swallowing has 100 reports now versus 98 in that prior snapshot: 2 more (2.0%).

Report change
+2
Death-coded reports
+1
Death-coded share
+0.2 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 Impaired swallowing changes

FDA AER · VeDDRA plate

Code 284 VOL-LOW

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

  • VOL-LOW 100 reports
  • DEATH-HOT 38.0%
  • MID-PACK #1398/2481
  • PHOTO-FINISH Circulatory shock
  • SPECIES-DOG Dog · 56
  • DRUG-LEAD Imidacloprid + Mo… · 8
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Circulatory shock (±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 Impaired swallowing

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

Vomiting · highest174348Circulatory shock · near100Elevated ALT · near100Impaired swallowing · this r…100Lymphosarcoma · near100Mucus in eye · near100Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Impaired swallowing

Impaired swallowing: high death-coded share in the FDA AER plate

Signature read: Impaired swallowing's 38.0% 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: 38 of 100 reports (38.0% of named reports). Nearest volume peer: Circulatory shock (±0 reports). Lead species Dog (56). Lead co-reported drug Imidacloprid + Moxidectin (8).

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 56
Cat 40
Horse 3
Rat 1

Breeds Most Affected

Domestic Shorthair 25
Retriever - Labrador 11
Maine Coon 4
Domestic Longhair 3
Domestic Mediumhair 3
Terrier - Yorkshire 3
Mixed (Dog) 3
Crossbred Canine/dog 3
Terrier - Boston 2
Thoroughbred 2

Associated Drugs

Imidacloprid + Moxidectin 8
Selamectin 8
Milbemycin Oxime + Spinosad 7
Enrofloxacin 7
Bedinvetmab 7
Eprinomectin + Esafoxolaner + Praziquantel 7
Afoxolaner 5
Spinosad 4
Cefovecin 4
Carprofen 4
Prednisone 4
Meloxicam 4
Fluralaner 13.64% 12-Week Chew 4
Amoxicillin Trihydrate; Clavulanate Potassium ( K-Clavulanate) 3
Metronidazole 3
Ivermectin 3
Dexamethasone 3
Phenobarbital 3
Diazepam 3
Fluralaner Spot-On Solution 3

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Impaired swallowing, 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 (100 here).

Similar death-coded share

Nearest other reactions by death-coded share (38.0% 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 Impaired swallowing (#1398 of 2,481 by report volume); death-coded 38.0%. PlainBreed reaction plate · death-coded share stamp 38.0% · 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 →