Reaction profile

The FDA adverse-event record for stridor (upper respiratory; for lower respiratory see also bronchial rale)

172 FDA adverse-event reports reference stridor (upper respiratory; for lower respiratory see also bronchial rale) (VeDDRA 1953). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1117 of 2,481
by report volume (all reactions)
172
reports citing this reaction
24.4%
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. Stridor (Upper respiratory; for lower respiratory see also Bronchial rale) has 172 reports now versus 167 in that prior snapshot: 5 more (3.0%).

Report change
+5
Death-coded reports
+1
Death-coded share
−0.1 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 Stridor (Upper respiratory; for lower respiratory see also Bronchial rale) changes

FDA AER · VeDDRA plate

Code 1953 VOL-LOW

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

  • VOL-LOW 172 reports
  • DEATH-HOT 24.4%
  • MID-PACK #1117/2481
  • PHOTO-FINISH Reduced reflexes
  • SPECIES-DOG Dog · 123
  • DRUG-LEAD Maropitant Citrate · 21
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Reduced reflexes (±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 Stridor

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

Vomiting · highest174348Angioedema · near173Reduced reflexes · near172Strabismus · near172Stridor (Upper respir… · thi…172Abrasion · near171Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Stridor (Upper respiratory; for lower respiratory see also Bronchial rale)

Stridor (Upper respiratory; for lower respiratory see also Bronchial rale): high death-coded share in the FDA AER plate

Signature read: Stridor (Upper respiratory; for lower respiratory see also Bronchial rale)'s 24.4% 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: 42 of 172 reports (24.4% of named reports). Nearest volume peer: Reduced reflexes (±0 reports). Lead species Dog (123). Lead co-reported drug Maropitant Citrate (21).

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 123
Cat 33
Horse 14
Cattle 2

Breeds Most Affected

Retriever - Labrador 16
Domestic Shorthair 14
Pug 11
Bulldog 7
Chihuahua 6
Retriever - Golden 6
Bulldog - French 6
Quarter Horse 5
Crossbred Canine/dog 5
Domestic Longhair 4

Associated Drugs

Maropitant Citrate 21
Bedinvetmab 19
Moxidectin 17
Cefovecin 10
Oclacitinib Maleate 10
Enrofloxacin 10
Carprofen 9
Afoxolaner 9
Gabapentin 9
Milbemycin Oxime + Spinosad 8
Dexamethasone 8
Buprenorphine 7
Prednisone 7
Trilostane 7
Detomidine Hydrochloride 6
Frunevetmab 6
Diphenhydramine Hcl 5
Tramadol 5
Pimobendan 4
Fluralaner Chew Tablets 4

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Stridor (Upper respiratory; for lower respiratory see also Bronchial rale), 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 (172 here).

Similar death-coded share

Nearest other reactions by death-coded share (24.4% 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 Stridor (Upper respiratory; for lower respiratory see also Bronchial rale) (#1117 of 2,481 by report volume); death-coded 24.4%. PlainBreed reaction plate · death-coded share stamp 24.4% · 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 →