Reaction profile

The FDA adverse-event record for blood in trachea

47 FDA reports name blood in trachea, a lower-volume reaction in the CVM extract (VeDDRA 878). Plate stamps and neighbourhood peers follow.

#1769 of 2,481
by report volume (all reactions)
47
reports citing this reaction
70.2%
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. Blood in trachea has 47 reports now versus 47 in that prior snapshot: 0 the same number of (0.0%).

Report change
+0
Death-coded reports
+0
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 Blood in trachea changes

FDA AER · VeDDRA plate

Code 878 VOL-TRACE

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

  • VOL-TRACE 47 reports
  • DEATH-HOT 70.2%
  • MID-PACK #1769/2481
  • PHOTO-FINISH Abnormal number of of…
  • SPECIES-DOG Dog · 32
  • DRUG-LEAD Dexmedetomidine H… · 9
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Abnormal number of offspring (±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 Blood in trachea

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

Vomiting · highest174348Abnormal number of of… · near47ALBUMIN/GLOBULIN RATI… · near47ANISOCYTOSIS · near47Blood in trachea · this reac…47Exocrine pancreatic i… · near47Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Blood in trachea

Blood in trachea: high death-coded share in the FDA AER plate

Signature read: Blood in trachea's 70.2% death-coded share is among the highest in the openFDA reaction corpus. Report volume is lower-third scale: 47 named reports in the openFDA extract. Death-coded share is upper-third: 33 of 47 reports (70.2% of named reports). Nearest volume peer: Abnormal number of offspring (±0 reports). Lead species Dog (32). Lead co-reported drug Dexmedetomidine Hydrochloride (9).

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 32
Cat 9
Cattle 5
Horse 1

Breeds Most Affected

Domestic Shorthair 6
Shiba Inu 2
Retriever - Golden 2
Chihuahua 2
Pug 2
Bulldog 2
Cat (unknown) 2
Shepherd Dog - German 2
Shepherd Dog - Australian 1
Collie - Border 1

Associated Drugs

Dexmedetomidine Hydrochloride 9
Butorphanol 5
Isoflurane 5
Cefovecin 4
Ivermectin + Pyrantel As Pamoate Salt 4
Milbemycin Oxime + Spinosad 3
Ketamine 3
Atipamezole Hydrochloride 3
Propofol 3
Dexmedetomidine 3
Carprofen 3
Cefazolin 2
Prednisone 2
Spinosad 2
Diphenhydramine 2
Butorphanol Tartrate 2
Buprenorphine 2
Afoxolaner 2
Melarsomine Dihydrochloride Injection 2
Ceftiofur Crystalline Free Acid 2

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 Blood in trachea (#1769 of 2,481 by report volume); death-coded 70.2%. PlainBreed reaction plate · death-coded share stamp 70.2% · 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 →