Reaction profile

The FDA adverse-event record for injection site necrosis

703 FDA reports name injection site necrosis, a high-volume reaction in the CVM extract (VeDDRA 89). Plate stamps and neighbourhood peers follow.

#511 of 2,481
by report volume (all reactions)
703
reports citing this reaction
10.1%
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. Injection site necrosis has 703 reports now versus 692 in that prior snapshot: 11 more (1.6%).

Report change
+11
Death-coded reports
+0
Death-coded share
−0.2 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 Injection site necrosis changes

FDA AER · VeDDRA plate

Code 89 VOL-MID

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

  • VOL-MID 703 reports
  • DEATH-ELEV 10.1%
  • UPPER-Q #511/2481
  • PHOTO-FINISH Excessive chewing, li…
  • SPECIES-DOG Dog · 550
  • DRUG-LEAD Tigilanol Tiglate · 233
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Excessive chewing, licking and/or grooming (±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 Injection site necrosis

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

Vomiting · highest174348Excessive chewing, li… · near704Tremor of limb · near704Injection site necros… · thi…703Epistaxis · near699Pustules · near699Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Injection site necrosis

What the FDA AER plate says about Injection site necrosis

Signature read: 703 reports place Injection site necrosis in the upper third of FDA AER volume (#511 of 2,481). Report volume is upper-third scale: 703 named reports in the openFDA extract. 71 of 703 reports were death-coded (10.1% of named reports, not a population mortality rate). Nearest volume peer: Excessive chewing, licking and/or grooming (±1 reports). Lead species Dog (550). Lead co-reported drug Tigilanol Tiglate (233).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Tigilanol Tiglate 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 550
Cat 80
Horse 36
Cattle 22
Pig 7
Other Reptiles 2
Human 2
Guinea Pig 1
Chicken 1
Other Rodents 1

Breeds Most Affected

Retriever - Labrador 56
Domestic Shorthair 40
Dog (unknown) 39
Pit Bull 35
Boxer (German Boxer) 33
Chihuahua 28
Crossbred Canine/dog 24
Retriever - Golden 21
Bulldog - French 18
Domestic (unspecified) 15

Associated Drugs

Tigilanol Tiglate 233
Carprofen 139
Enrofloxacin 63
Maropitant Citrate 54
Gabapentin 51
Butorphanol 49
Famotidine 41
Diphenhydramine 41
Buprenorphine 40
Cefovecin 39
Dexmedetomidine 39
Prednisone 38
Meloxicam 33
Ceftiofur Crystalline Free Acid 29
Atipamezole 27
Melarsomine Dihydrochloride 24
Propofol 24
Robenacoxib 24
Isoflurane 22
Dexmedetomidine Hydrochloride 21

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Injection site necrosis, 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 (703 here).

Similar death-coded share

Nearest other reactions by death-coded share (10.1% 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 Injection site necrosis (#511 of 2,481 by report volume); death-coded 10.1%. PlainBreed reaction plate · report volume stamp 703 · 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 →