Reaction profile

The FDA adverse-event record for injection site skin discolouration

257 FDA adverse-event reports reference injection site skin discolouration (VeDDRA 2202). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#924 of 2,481
by report volume (all reactions)
257
reports citing this reaction
5.8%
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 skin discolouration has 257 reports now versus 249 in that prior snapshot: 8 more (3.2%).

Report change
+8
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 skin discolouration changes

FDA AER · VeDDRA plate

Code 2202 VOL-LOW

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

  • VOL-LOW 257 reports
  • DEATH-PAR 5.8%
  • MID-PACK #924/2481
  • PHOTO-FINISH Apathy
  • SPECIES-DOG Dog · 227
  • DRUG-LEAD Tigilanol Tiglate · 136
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Apathy (±0 reports)

Instrument codes from this reaction’s FDA CVM adverse-event extract: volume band, death-coded share, corpus rank, photo-finish peer, lead species, lead drug, breed desk, and book completeness. Not a clinical diagnosis.

Report-volume neighbourhood around Injection site skin discolouration

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

Vomiting · highest174348Apathy · near257Injection site infect… · near257Injection site mucopu… · near257Injection site skin d… · thi…257Mental confusion · near257Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Injection site skin discolouration

Injection site skin discolouration: low death-coded share in the FDA AER plate

Signature read: Injection site skin discolouration's 5.8% death-coded share is among the lowest in the openFDA reaction corpus. Report volume sits in the middle third of the reaction corpus. Death-coded share is lower-third: 15 of 257 reports (5.8% of named reports). Nearest volume peer: Apathy (±0 reports). Lead species Dog (227). Lead co-reported drug Tigilanol Tiglate (136).

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 227
Cat 13
Human 11
Horse 3
Pig 2
Chicken 1

Breeds Most Affected

Retriever - Labrador 26
Pit Bull 18
Boxer (German Boxer) 17
Dog (unknown) 15
Unknown 11
Domestic Shorthair 11
Crossbred Canine/dog 10
Retriever - Golden 10
Bulldog - French 10
Chihuahua 9

Associated Drugs

Tigilanol Tiglate 136
Diphenhydramine 73
Famotidine 72
Prednisone 70
Gabapentin 70
Maropitant Citrate 52
Butorphanol Tartrate 34
Dexmedetomidine Hydrochloride 32
Butorphanol 30
Buprenorphine 25
Carprofen 24
Atipamezole Hydrochloride 24
Dexmedetomidine 23
Propofol 18
Midazolam 15
Trazodone 13
Isoflurane 12
Hydromorphone 11
Atipamezole 11
Melarsomine Dihydrochloride 10

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Injection site skin discolouration, 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 (257 here).

Similar death-coded share

Nearest other reactions by death-coded share (5.8% 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 skin discolouration (#924 of 2,481 by report volume); death-coded 5.8%. PlainBreed reaction plate · death-coded share stamp 5.8% · 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 →