Reaction profile

The FDA adverse-event record for respiratory depression

95 FDA adverse-event reports reference respiratory depression (VeDDRA 1168). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1422 of 2,481
by report volume (all reactions)
95
reports citing this reaction
32.6%
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. Respiratory depression has 95 reports now versus 89 in that prior snapshot: 6 more (6.7%).

Report change
+6
Death-coded reports
+1
Death-coded share
−1.1 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 Respiratory depression changes

FDA AER · VeDDRA plate

Code 1168 VOL-LOW

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

  • VOL-LOW 95 reports
  • DEATH-HOT 32.6%
  • MID-PACK #1422/2481
  • PHOTO-FINISH Chemical burn
  • SPECIES-DOG Dog · 52
  • DRUG-LEAD Dexmedetomidine H… · 21
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Chemical burn (±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 Respiratory depression

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

Vomiting · highest174348Chemical burn · near95Head twitching · near95Increased intra-ocula… · near95Respiratory depression · thi…95Vision blurred · near95Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Respiratory depression

Respiratory depression: high death-coded share in the FDA AER plate

Signature read: Respiratory depression's 32.6% 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: 31 of 95 reports (32.6% of named reports). Nearest volume peer: Chemical burn (±0 reports). Lead species Dog (52). Lead co-reported drug Dexmedetomidine Hydrochloride (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 52
Cat 32
Other Birds 2
Cattle 2
Pig 1
Primate 1
Other Mammals 1
Human 1
Other Rodents 1
Guinea Pig 1

Breeds Most Affected

Domestic Shorthair 12
Unknown 9
Dog (unknown) 8
Cat (other) 7
Crossbred Canine/dog 4
Domestic Longhair 4
Chihuahua 4
Pug 3
Retriever - Labrador 3
Retriever - Golden 3

Associated Drugs

Dexmedetomidine Hydrochloride 21
Isoflurane 20
Butorphanol 19
Ketamine 15
Buprenorphine 14
Tiletamine Hcl; Zolazapam Hcl 10
Alfaxalone 9
Meloxicam 7
Dexmedetomidine 7
Maropitant Citrate 6
Carprofen 6
Propofol 6
Midazolam Hydrochloride 6
Butorphanol Tartrate 5
Midazolam 5
Xylazine 4
Cefovecin 4
Diazepam 4
Atropine 4
Ketamine Hydrochloride 4

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Respiratory depression, 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 (95 here).

Similar death-coded share

Nearest other reactions by death-coded share (32.6% 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 Respiratory depression (#1422 of 2,481 by report volume); death-coded 32.6%. PlainBreed reaction plate · death-coded share stamp 32.6% · 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 →