Reaction profile

The FDA adverse-event record for comedo/blackhead

35 FDA reports name comedo/blackhead, a lower-volume reaction in the CVM extract (VeDDRA 2382). Plate stamps and neighbourhood peers follow.

#1919 of 2,481
by report volume (all reactions)
35
reports citing this reaction
8.6%
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. Comedo/blackhead has 35 reports now versus 34 in that prior snapshot: 1 more (2.9%).

Report change
+1
Death-coded reports
+0
Death-coded share
−0.3 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 Comedo/blackhead changes

FDA AER · VeDDRA plate

Code 2382 VOL-TRACE

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

  • VOL-TRACE 35 reports
  • DEATH-PAR 8.6%
  • LOWER-Q #1919/2481
  • PHOTO-FINISH CARBON DIOXIDE LOW, B…
  • SPECIES-DOG Dog · 33
  • DRUG-LEAD Trilostane · 16
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: CARBON DIOXIDE LOW, BLOOD (±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.

Lower-volume neighbourhood around Comedo/blackhead

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

Vomiting · highest174348CARBON DIOXIDE LOW, B… · near35Cerebral oedema · near35Comedo/blackhead · this reac…35Gastric torsion · near35Injection site joint… · near35Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Comedo/blackhead

What the FDA AER plate says about Comedo/blackhead

Signature read: 3 death-coded reports is a thin tail count for Comedo/blackhead in the CVM extract. Report volume is lower-third scale: 35 named reports in the openFDA extract. 3 of 35 reports were death-coded (8.6% of named reports, not a population mortality rate). Nearest volume peer: CARBON DIOXIDE LOW, BLOOD (±0 reports). Lead species Dog (33). Lead co-reported drug Trilostane (16).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Trilostane 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 33
Cat 1
Horse 1

Breeds Most Affected

Retriever - Labrador 3
Shih Tzu 3
Dog (other) 2
Chihuahua 2
Schnauzer - Miniature 2
Shepherd Dog - Belgian (unspecified) 2
Boxer (German Boxer) 1
Maltese 1
Mastiff 1
Mixed (Dog) 1

Associated Drugs

Trilostane 16
Oclacitinib Maleate 7
Tramadol 6
Prednisone 5
Fish Oil 5
Levothyroxine Sodium 4
Bedinvetmab 4
Chlorhexidine Shampoo 4
Rabies Vaccine 3
Ilunocitinib 3
Fluralaner 3
Neomycin + Polymyxin B + Dexamethasone Ophthalmic Drops 3
Pentoxifylline 3
Amitriptyline 3
Glucosamine/ Chondroitin/ Avocado/Soybean Unsaponifiables/ Decaffeinated Tea Joint Supplement 3
Probiotic Supplement 3
Eye Medication (Unknown) 3
Nystatin + Thiostrepton + Neomycin Sulfate + Triamcinolone Acetonide 3
Miconazole Nitrate + Chlorhexidine Gluconate + Trizedta 3
Trizedta/Ketoconazole Ear Product 3

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 Comedo/blackhead (#1919 of 2,481 by report volume); death-coded 8.6%. PlainBreed reaction plate · death-coded report count stamp 3 · 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 →