Reaction profile

The FDA adverse-event record for partial blindness

228 FDA adverse-event reports reference partial blindness (VeDDRA 409). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#974 of 2,481
by report volume (all reactions)
228
reports citing this reaction
13.2%
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. Partial blindness has 228 reports now versus 228 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 Partial blindness changes

FDA AER · VeDDRA plate

Code 409 VOL-LOW

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

  • VOL-LOW 228 reports
  • DEATH-ELEV 13.2%
  • MID-PACK #974/2481
  • PHOTO-FINISH Poor coat condition
  • SPECIES-DOG Dog · 168
  • DRUG-LEAD Ivermectin · 23
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Poor coat condition (±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 Partial blindness

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

Vomiting · highest174348Partial blindness · this rea…228Poor coat condition · near228Application site self… · near227Lack of efficacy (vir… · near227Smelly breath · near227Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Partial blindness

What the FDA AER plate says about Partial blindness

Signature read: report volume at 228 (#974 of 2,481) is the standout scale stamp on Partial blindness. Report volume sits in the middle third of the reaction corpus. 30 of 228 reports were death-coded (13.2% of named reports, not a population mortality rate). Nearest volume peer: Poor coat condition (±0 reports). Lead species Dog (168). Lead co-reported drug Ivermectin (23).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Ivermectin 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 168
Cat 50
Cattle 8
Horse 1
Goat 1

Breeds Most Affected

Domestic Shorthair 23
Crossbred Canine/dog 18
Retriever - Labrador 11
Domestic (unspecified) 10
Dog (unknown) 9
Chihuahua 9
Shih Tzu 7
Terrier - Yorkshire 6
Spitz - German Pomeranian 6
Holstein-Friesian also known as Holstein 5

Associated Drugs

Ivermectin 23
Milbemycin Oxime + Spinosad 20
Spinosad 16
Enrofloxacin 12
Fluralaner Chew Tablets 10
Meloxicam 8
Carprofen 8
Trilostane 8
Orbifloxacin Oral Suspension 7
Afoxolaner 6
Pyrantel Pamoate;Sarolaner 6
Milbemycin Oxime + Praziquantel 5
Fluralaner 13.64% 12-Week Chew 5
Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride 5
Bedinvetmab 5
Robenacoxib 4
Cefovecin 4
Phenobarbital 4
Ivermectin + Pyrantel As Pamoate Salt 4
Insulin Injectable Vial 4

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Partial blindness, both floored at ≥50 reports so the neighborhoods stay in the advertised mass (the volume chart above is the unfloored photo-finish strip).

Similar death-coded share

Nearest other reactions by death-coded share (13.2% 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 Partial blindness (#974 of 2,481 by report volume); death-coded 13.2%. PlainBreed reaction plate · report volume stamp 228 · 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 →