Reaction profile

The FDA adverse-event record for drowsiness - systemic disorder

198 FDA adverse-event reports reference drowsiness - systemic disorder (VeDDRA 2530). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1042 of 2,481
by report volume (all reactions)
198
reports citing this reaction
7.1%
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. Drowsiness - systemic disorder has 198 reports now versus 192 in that prior snapshot: 6 more (3.1%).

Report change
+6
Death-coded reports
+1
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 Drowsiness - systemic disorder changes

FDA AER · VeDDRA plate

Code 2530 VOL-LOW

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

  • VOL-LOW 198 reports
  • DEATH-PAR 7.1%
  • MID-PACK #1042/2481
  • PHOTO-FINISH Duodenal ulcer
  • SPECIES-DOG Dog · 142
  • DRUG-LEAD Oclacitinib Malea… · 15
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Duodenal ulcer (±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 Drowsiness - systemic disorder

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

Vomiting · highest174348Drowsiness - systemic… · thi…198Duodenal ulcer · near198Haemolysis · near198INEFFECTIVE, EAR MITES · near198Stomach pain · near198Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Drowsiness - systemic disorder

Drowsiness - systemic disorder: low death-coded share in the FDA AER plate

Signature read: Drowsiness - systemic disorder's 7.1% 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: 14 of 198 reports (7.1% of named reports). Nearest volume peer: Duodenal ulcer (±0 reports). Lead species Dog (142). Lead co-reported drug Oclacitinib Maleate (15).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Oclacitinib Maleate 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 142
Cat 42
Human 12
Horse 1
Goat 1

Breeds Most Affected

Domestic Shorthair 26
Retriever - Labrador 14
Unknown 12
Dog (unknown) 11
Shih Tzu 8
Shepherd Dog - German 7
Retriever - Golden 7
Crossbred Canine/dog 6
Pit Bull 5
Boxer (German Boxer) 5

Associated Drugs

Oclacitinib Maleate 15
Maropitant Citrate 15
Gabapentin 15
Milbemycin Oxime + Spinosad 13
Dexmedetomidine Hydrochloride 12
Pyrantel Pamoate;Sarolaner 11
Carprofen 10
Nitenpyram 10
Butorphanol 10
Propofol 9
Grapiprant 8
Milbemycin Oxime + Praziquantel 8
Robenacoxib 8
Isoflurane 8
Buprenorphine 8
Bedinvetmab 7
Fluralaner Spot-On Solution 6
Afoxolaner 6
Fluralaner 13.64% 12-Week Chew 6
Sarolaner 6

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Drowsiness - systemic disorder, 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 (198 here).

Similar death-coded share

Nearest other reactions by death-coded share (7.1% 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 Drowsiness - systemic disorder (#1042 of 2,481 by report volume); death-coded 7.1%. PlainBreed reaction plate · death-coded share stamp 7.1% · 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 →