Reaction profile

The FDA adverse-event record for recovery prolonged

585 FDA reports name recovery prolonged, a high-volume reaction in the CVM extract (VeDDRA 1904). Plate stamps and neighbourhood peers follow.

#584 of 2,481
by report volume (all reactions)
585
reports citing this reaction
16.1%
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. Recovery prolonged has 585 reports now versus 583 in that prior snapshot: 2 more (0.3%).

Report change
+2
Death-coded reports
+0
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 Recovery prolonged changes

FDA AER · VeDDRA plate

Code 1904 VOL-MID

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

  • VOL-MID 585 reports
  • DEATH-ELEV 16.1%
  • UPPER-Q #584/2481
  • PHOTO-FINISH Oedema of the extremi…
  • SPECIES-DOG Dog · 290
  • DRUG-LEAD Isoflurane · 149
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Oedema of the extremities (see also other SOCs for most applicable oedema) (±0 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 Recovery prolonged

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

Vomiting · highest174348Not urinating · near587Immediate pain upon i… · near586Oedema of the extremi… · near585Recovery prolonged · this re…585Bottles, Damaged · near581Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Recovery prolonged

What the FDA AER plate says about Recovery prolonged

Signature read: 94 death-coded reports is a heavy tail count for Recovery prolonged in the CVM extract. Report volume is upper-third scale: 585 named reports in the openFDA extract. 94 of 585 reports were death-coded (16.1% of named reports, not a population mortality rate). Nearest volume peer: Oedema of the extremities (see also other SOCs for most applicable oedema) (±0 reports). Lead species Dog (290). Lead co-reported drug Isoflurane (149).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Isoflurane 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 290
Cat 257
Horse 18
Pig 4
Mouse 3
Rabbit 2
Guinea Pig 2
Rat 1
Cattle 1
Other Mustelids 1

Breeds Most Affected

Domestic Shorthair 93
Dog (unknown) 68
Domestic (unspecified) 44
Cat (unknown) 34
Retriever - Labrador 32
Unknown 27
Domestic Longhair 21
Crossbred Canine/dog 15
Cat (other) 14
Shih Tzu 13

Associated Drugs

Isoflurane 149
Dexmedetomidine Hydrochloride 119
Propofol 90
Ketamine Hydrochloride 85
Butorphanol 82
Buprenorphine 76
Butorphanol Tartrate 62
Atipamezole Hydrochloride 55
Ketamine 51
Dexmedetomidine 41
Alfaxalone 38
Midazolam 32
Tiletamine Hcl; Zolazapam Hcl 31
Carprofen 29
Acepromazine Maleate 27
Meloxicam 26
Cefovecin 23
Robenacoxib 23
Atipamezole 21
Atropine 21

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Recovery prolonged, both floored at ≥50 reports so the neighborhoods stay in the advertised mass (the volume chart above is the unfloored photo-finish strip).

Similar death-coded share

Nearest other reactions by death-coded share (16.1% 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 Recovery prolonged (#584 of 2,481 by report volume); death-coded 16.1%. PlainBreed reaction plate · death-coded report count stamp 94 · 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 →