Reaction profile

The FDA adverse-event record for injection site skin discolouration

228 FDA adverse-event reports reference injection site skin discolouration (VeDDRA 2202). See the species, breeds, and drugs most associated with it below.

228
reports citing this reaction
5.7%
death-coded share
Dog
most-affected species
Tigilanol Tiglate
most-associated drug
Verify with FDA CVM →
228
Total Reports
13
Deaths
5.7%
Death Rate

Species Most Affected

Dog 201
Cat 11
Human 10
Horse 3
Pig 2
Chicken 1

Breeds Most Affected

Retriever - Labrador 24
Boxer (German Boxer) 16
Dog (unknown) 14
Pit Bull 11
Unknown 10
Crossbred Canine/dog 10
Domestic Shorthair 10
Terrier - Boston 9
Bulldog - French 9
Retriever - Golden 8

Associated Drugs

Tigilanol Tiglate 117
Diphenhydramine 70
Famotidine 67
Gabapentin 66
Prednisone 64
Maropitant Citrate 46
Butorphanol Tartrate 30
Dexmedetomidine Hydrochloride 27
Butorphanol 25
Carprofen 23
Atipamezole Hydrochloride 22
Buprenorphine 20
Dexmedetomidine 18
Propofol 16
Midazolam 14
Isoflurane 12
Trazodone 11
Melarsomine Dihydrochloride 10
Atipamezole 10
Moxidectin 8

Injection site skin discolouration Reaction Insights

228 reports name Injection site skin discolouration; 13 recorded a death outcome (5.7% of reported events, not a population-level mortality rate). VeDDRA code: 2202.

By species: Dog (201 reports), Cat (11 reports), Human (10 reports). By breed: Retriever - Labrador (24), Boxer (German Boxer) (16), Dog (unknown) (14).

Most co-reported drugs: Tigilanol Tiglate (117 reports), Diphenhydramine (70 reports), Famotidine (67 reports), Gabapentin (66 reports).

Read these counts as reporting volume, not risk: per our methodology, co-reporting reflects temporal association captured in voluntary submissions, not proof that a drug caused this reaction. A widely-prescribed drug will rack up more raw co-reports at an identical true rate than a rarely-used one, so compare within similar-exposure products.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.