Reaction profile

The FDA adverse-event record for unable to focus

93 FDA adverse-event reports reference unable to focus (VeDDRA 1856). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1430 of 2,481
by report volume (all reactions)
93
reports citing this reaction
6.5%
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. Unable to focus has 93 reports now versus 91 in that prior snapshot: 2 more (2.2%).

Report change
+2
Death-coded reports
+0
Death-coded share
−0.1 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 Unable to focus changes

FDA AER · VeDDRA plate

Code 1856 VOL-LOW

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

  • VOL-LOW 93 reports
  • DEATH-PAR 6.5%
  • MID-PACK #1430/2481
  • PHOTO-FINISH Anterior uveitis
  • SPECIES-DOG Dog · 77
  • DRUG-LEAD Milbemycin Oxime… · 22
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Anterior uveitis (±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 Unable to focus

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

Vomiting · highest174348Anterior uveitis · near93Application site sero… · near93Intention tremor · near93Iris disorder · near93Unable to focus · this react…93Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Unable to focus

Unable to focus: low death-coded share in the FDA AER plate

Signature read: Unable to focus's 6.5% 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: 6 of 93 reports (6.5% of named reports). Nearest volume peer: Anterior uveitis (±0 reports). Lead species Dog (77). Lead co-reported drug Milbemycin Oxime + Spinosad (22).

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 77
Cat 15
Human 1

Breeds Most Affected

Crossbred Canine/dog 7
Domestic Shorthair 7
Retriever - Labrador 6
Shepherd Dog - German 4
Spitz - German Pomeranian 4
Retriever - Golden 3
Chihuahua 3
Shih Tzu 3
Cattle Dog - Australian (blue heeler, red heeler, Queensland cattledog) 3
Terrier (unspecified) 3

Associated Drugs

Milbemycin Oxime + Spinosad 22
Afoxolaner 16
Pyrantel Pamoate;Sarolaner 10
Sarolaner 7
Ivermectin + Pyrantel As Pamoate Salt 6
Fluralaner Chew Tablets 4
Maropitant Citrate 4
Cephalexin 3
Spinosad 3
Imidacloprid + Moxidectin 3
Isoflurane 3
Grapiprant 3
Selamectin;Sarolaner 3
Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride 3
Buprenorphine 3
Ivermectin 2
Cefovecin Sodium 2
Fentanyl 2
Ampicillin Trihydrate 2
Polysulfated Glycosaminoglycan 2

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Unable to focus, 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 (93 here).

Similar death-coded share

Nearest other reactions by death-coded share (6.5% 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 Unable to focus (#1430 of 2,481 by report volume); death-coded 6.5%. PlainBreed reaction plate · death-coded share stamp 6.5% · 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 →