Reaction profile

The FDA adverse-event record for mucus in trachea

Name: Mucus in trachea - FDA Animal Adverse Reaction
Creator: PlainBreed
License: https://open.fda.gov/license/

30 FDA reports name mucus in trachea, a lower-volume reaction in the CVM extract (VeDDRA 881). Plate stamps and neighbourhood peers follow.

#2000 of 2,481
by report volume (all reactions): 30
reports citing this reaction: 26.7%
death-coded share: Dog
most-affected species

Compiled by PlainBreed

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. Mucus in trachea has 30 reports now versus 30 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 Mucus in trachea changes

FDA AER · VeDDRA plate

Code 881 VOL-TRACE

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

VOL-TRACE 30 reports
DEATH-HOT 26.7%
LOWER-Q #2000/2481
PHOTO-FINISH Abnormal spermatozoa…
SPECIES-DOG Dog · 13
DRUG-LEAD Isoflurane · 5
DESK-WIDE 19 breeds
BOOK-FULL 8/8 fields

Nearest volume peer: Abnormal spermatozoa NOS (±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 Mucus in trachea

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

FDA AER report volume · neighbourhood around Mucus in trachea

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

Signature read: 30 reports place Mucus in trachea in the lower third of FDA AER volume (#2000 of 2,481). Report volume is lower-third scale: 30 named reports in the openFDA extract. Death-coded share is upper-third: 8 of 30 reports (26.7% of named reports). Nearest volume peer: Abnormal spermatozoa NOS (±0 reports). Lead species Dog (13). Lead co-reported drug Isoflurane (5).

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 13

Cat 11

Horse 4

Cattle 1

Human 1

Breeds Most Affected

Domestic Shorthair 8

Dog (unknown) 3

Unknown 2

Horse (other) 2

Dog (other) 1

Maltese 1

Pit Bull 1

Greyhound 1

Terrier - Jack Russell 1

Tennessee Walking Horse 1

Associated Drugs

Isoflurane 5

Buprenorphine 5

Propofol 4

Milbemycin Oxime + Spinosad 3

Butorphanol Tartrate 3

Alfaxalone 3

Midazolam 3

Amoxicillin (As Trihydrate); Clavulanate Potassium ( K-Clavulanate) 2

Dexamethasone 2

Afoxolaner 2

Dexmedetomidine 2

Ciclesonide 2

Maropitant Citrate 2

Spinosad 1

Ivermectin + Pyrantel Pamoate 1

Rabies Vaccine 1

Distemper Vaccine 1

Bordetella Vaccine 1

Trilostane 1

Pradofloxacin 1

What to do with this reaction

Read how death-coded share differs from a mortality rate before drawing conclusions. Understanding adverse events
Browse the full reaction directory to compare report counts across reaction types. All reactions

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 Mucus in trachea (#2000 of 2,481 by report volume); death-coded 26.7%. PlainBreed reaction plate · report volume stamp 30 · 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 →