Reaction profile

The FDA adverse-event record for external teat disorder

21 FDA reports name external teat disorder, a lower-volume reaction in the CVM extract (VeDDRA 537). Plate stamps and neighbourhood peers follow.

#2140 of 2,481
by report volume (all reactions)
21
reports citing this reaction
19.0%
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. External teat disorder has 21 reports now versus 21 in that prior snapshot: 0 the same number of (0.0%).

Report change
+0
Death-coded reports
+0
Death-coded share
+0.0 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 External teat disorder changes

FDA AER · VeDDRA plate

Code 537 VOL-TRACE

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

  • VOL-TRACE 21 reports
  • DEATH-ELEV 19.0%
  • LOWER-Q #2140/2481
  • PHOTO-FINISH Chewing - pruritus
  • SPECIES-DOG Dog · 12
  • DRUG-LEAD Milbemycin Oxime… · 3
  • DESK-WIDE 17 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Chewing - pruritus (±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 External teat disorder

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

Vomiting · highest174348Chewing - pruritus · near21Deterioration of musc… · near21External teat disorder · thi…21Heart disorder aggrav… · near21Hyperparathyroidism · near21Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around External teat disorder

What the FDA AER plate says about External teat disorder

Signature read: 21 reports place External teat disorder in the lower third of FDA AER volume (#2140 of 2,481). Report volume is lower-third scale: 21 named reports in the openFDA extract. 4 of 21 reports were death-coded (19.0% of named reports, not a population mortality rate). Nearest volume peer: Chewing - pruritus (±0 reports). Lead species Dog (12). Lead co-reported drug Milbemycin Oxime + Spinosad (3).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Milbemycin Oxime + Spinosad 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 12
Cattle 7
Horse 1
Cat 1

Breeds Most Affected

Holstein-Friesian also known as Holstein 4
Retriever - Labrador 2
Aberdeen Angus 1
Cattle (unknown) 1
Pekingese 1
Retriever - Golden 1
Doberman Pinscher 1
Brittany 1
Boxer (German Boxer) 1
Mixed (Cattle) 1

Associated Drugs

Milbemycin Oxime + Spinosad 3
Oclacitinib Maleate 3
Estriol Tablets 3
Cyclosporine A 2
Cephapirin Sodium 1
Novobiocin, Penicillin G Procaine 1
Estradiol Benzoate, Progesterone 1
Zeranol 1
Steroid (Unknown) 1
Trimeprazine With Prednisolone 1
Amlodipine 1
Benazepril 1
Levothyroxine 1
Monensin Sodium 1
Sometribove 1
Ivermectin 1
Progesterone;Estradiol Benzoate 1
Cloxacillin Benz Intramam Dc 1
Ciclesonide 1
Febantel + Praziquantel + Pyrantel Pamoate 1

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 External teat disorder (#2140 of 2,481 by report volume); death-coded 19.0%. PlainBreed reaction plate · report volume stamp 21 · 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 →