Reaction profile

The FDA adverse-event record for tracheal obstruction

49 FDA reports name tracheal obstruction, a lower-volume reaction in the CVM extract (VeDDRA 880). Plate stamps and neighbourhood peers follow.

#1750 of 2,481
by report volume (all reactions)
49
reports citing this reaction
38.8%
death-coded share
Dog
most-affected species
Verify with FDA CVM →

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. Tracheal obstruction has 49 reports now versus 48 in that prior snapshot: 1 more (2.1%).

Report change
+1
Death-coded reports
+0
Death-coded share
−0.8 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 Tracheal obstruction changes

FDA AER · VeDDRA plate

Code 880 VOL-TRACE

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

  • VOL-TRACE 49 reports
  • DEATH-HOT 38.8%
  • MID-PACK #1750/2481
  • PHOTO-FINISH Entropion
  • SPECIES-DOG Dog · 35
  • DRUG-LEAD Ivermectin + Pyra… · 10
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Entropion (±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.

Lower-volume neighbourhood around Tracheal obstruction

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

Vomiting · highest174348Entropion · near49Hepatic fibrosis · near49INEFFECTIVE, STRONGYL… · near49Nerve damage NOS · near49Tracheal obstruction · this …49Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Tracheal obstruction

Tracheal obstruction: high death-coded share in the FDA AER plate

Signature read: Tracheal obstruction's 38.8% death-coded share is among the highest in the openFDA reaction corpus. Report volume is lower-third scale: 49 named reports in the openFDA extract. Death-coded share is upper-third: 19 of 49 reports (38.8% of named reports). Nearest volume peer: Entropion (±0 reports). Lead species Dog (35). Lead co-reported drug Ivermectin + Pyrantel As Pamoate Salt (10).

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 35
Cat 7
Horse 3
Pig 2
Cattle 1
Human 1

Breeds Most Affected

Domestic Shorthair 4
Terrier - Yorkshire 3
Chihuahua 3
Retriever - Labrador 3
Crossbred Canine/dog 2
Maltese 2
Retriever - Golden 2
Terrier - Scottish 2
Crossbred Bovine/Cattle 1
Hound - Basset 1

Associated Drugs

Ivermectin + Pyrantel As Pamoate Salt 10
Spinosad 6
Afoxolaner 6
Ivermectin 4
Milbemycin Oxime + Spinosad 4
Cefovecin Sodium 3
Delmopinol 21 Mg Oral Chewable Tablet 3
Delmopinol 35 Mg Oral Chewable Tablet 3
Ponazuril 2
Pyrantel Pamoate 2
Sucralfate 2
Florfenicol, Flunixin 1
Imidacloprid, Moxidectin 1
Clenbuterol Hydrochloride 1
Phytosphingosine 1
Ivermectin, Pyrantel Pamoate, Praziquantel 1
Pyrantel Tartrate 1
Ivermectin/Pyrantel Chew. Dog 68Mcg/57Mg 1
Firocoxib 1
Ivermectin, Pyrantel 1

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 Tracheal obstruction (#1750 of 2,481 by report volume); death-coded 38.8%. PlainBreed reaction plate · death-coded share stamp 38.8% · 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 →