Reaction profile

The FDA adverse-event record for ineffective, sedation

1,229 FDA reports name ineffective, sedation, a high-volume reaction in the CVM extract (VeDDRA 99145). Plate stamps and neighbourhood peers follow.

#334 of 2,481
by report volume (all reactions)
1,229
reports citing this reaction
6.5%
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. INEFFECTIVE, SEDATION has 1,229 reports now versus 1,225 in that prior snapshot: 4 more (0.3%).

Report change
+4
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 INEFFECTIVE, SEDATION changes

FDA AER · VeDDRA plate

Code 99145 VOL-MID

VOL-MID · DEATH-PAR · UPPER-Q · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-MID 1,229 reports
  • DEATH-PAR 6.5%
  • UPPER-Q #334/2481
  • PHOTO-FINISH Pneumonia
  • SPECIES-DOG Dog · 733
  • DRUG-LEAD Dexmedetomidine H… · 660
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Pneumonia (±1 reports)

Upper-third report volume drives the scale stamps on this plate; death-coded share and co-report peers follow. Not a clinical diagnosis.

High-volume neighbourhood around INEFFECTIVE, SEDATION

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

Vomiting · highest174348Pneumonia · near1230INEFFECTIVE, SEDATION · this…1229Dry mucous membrane · near1224Hypersensitivity reac… · near1224Polypnoea · near1224Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around INEFFECTIVE, SEDATION

INEFFECTIVE, SEDATION: low death-coded share in the FDA AER plate

Signature read: 1,229 reports place INEFFECTIVE, SEDATION in the upper third of FDA AER volume (#334 of 2,481). Report volume is upper-third scale: 1,229 named reports in the openFDA extract. Death-coded share is lower-third: 80 of 1,229 reports (6.5% of named reports). Nearest volume peer: Pneumonia (±1 reports). Lead species Dog (733). Lead co-reported drug Dexmedetomidine Hydrochloride (660).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Dexmedetomidine Hydrochloride appears in filings alongside this reaction; that is association, not causation. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Dog 733
Horse 259
Cat 177
Other Mammals 11
Rat 6
Other 6
Cattle 6
Rabbit 5
Mouse 4
Donkey 3

Breeds Most Affected

Dog (unknown) 283
Unknown 109
Horse (unknown) 103
Cat (unknown) 73
Retriever - Labrador 46
Crossbred Canine/dog 45
Domestic (unspecified) 37
Domestic Shorthair 34
Quarter Horse 32
Shepherd Dog - German 30

Associated Drugs

Dexmedetomidine Hydrochloride 660
Ketamine Hydrochloride 185
Butorphanol 125
Detomidine Hydrochloride 115
Butorphanol Tartrate 99
Xylazine 58
Ketamine 45
Tiletamine Hcl; Zolazapam Hcl 35
Detomidine 32
Dexmedetomidine 29
Propofol 20
Isoflurane 20
Acepromazine Maleate 19
Xylazine Hydrochloride 19
Atipamezole Hydrochloride 18
Ketamine Hcl 17
Buprenorphine 10
Butorphanol Injectable 10
Dexmedetomidine Hydrochloride Injection 10
Midazolam Hydrochloride 9

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for INEFFECTIVE, SEDATION, 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 (1,229 here).

Similar death-coded share

Nearest other reactions by death-coded share (6.5% 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 INEFFECTIVE, SEDATION (#334 of 2,481 by report volume); death-coded 6.5%. PlainBreed reaction plate · report volume stamp 1,229 · 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 →