Reaction profile

The FDA adverse-event record for overdose

14,237 FDA reports name overdose, a high-volume reaction in the CVM extract (VeDDRA 3036). Plate stamps and neighbourhood peers follow.

#28 of 2,481
by report volume (all reactions)
14,237
reports citing this reaction
4.2%
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. Overdose has 14,237 reports now versus 14,237 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 Overdose changes

FDA AER · VeDDRA plate

Code 3036 VOL-HIGH

VOL-HIGH · DEATH-LOW · TOP-DECILE · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-HIGH 14,237 reports
  • DEATH-LOW 4.2%
  • TOP-DECILE #28/2481
  • PHOTO-FINISH Lack of efficacy (end…
  • SPECIES-DOG Dog · 12,506
  • DRUG-LEAD Milbemycin Oxime… · 2,775
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Lack of efficacy (endoparasite) - roundworm NOS (±307 reports)

Upper-third report volume drives the scale stamps on this plate; death-coded share and co-report peers follow. Not a clinical diagnosis.

High-volume neighbourhood around Overdose

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

Vomiting · highest174348Panting · near15046Overdose · this reaction14237Lack of efficacy (end… · near13930INEFFECTIVE, ASCARIDS… · near13787Depression · near13060Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Overdose

Overdose: low death-coded share in the FDA AER plate

Signature read: 14,237 reports place Overdose in the upper third of FDA AER volume (#28 of 2,481). Report volume is upper-third scale: 14,237 named reports in the openFDA extract. Death-coded share is lower-third: 599 of 14,237 reports (4.2% of named reports). Nearest volume peer: Lack of efficacy (endoparasite) - roundworm NOS (±307 reports). Lead species Dog (12,506). Lead co-reported drug Milbemycin Oxime + Spinosad (2,775).

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 12,506
Cat 1,287
Horse 180
Cattle 143
Unknown 57
Goat 13
Sheep 13
Pig 10
Chicken 10
Lynx 3

Breeds Most Affected

Retriever - Labrador 1,205
Crossbred Canine/dog 984
Chihuahua 828
Domestic Shorthair 809
Terrier - Yorkshire 610
Dog (unknown) 441
Retriever - Golden 439
Shih Tzu 421
Shepherd Dog - German 414
Beagle 358

Associated Drugs

Milbemycin Oxime + Spinosad 2,775
Ivermectin + Pyrantel As Pamoate Salt 1,324
Spinosad 935
Oclacitinib Maleate 856
Afoxolaner 495
Nitenpyram 459
Carprofen 452
Fluralaner 13.64% 12-Week Chew 452
Moxidectin 397
Imidacloprid + Moxidectin 391
Pyrantel Pamoate;Sarolaner 366
Sarolaner 336
Fluralaner Chew Tablets 334
Milbemycin Oxime + Praziquantel 322
Febantel + Praziquantel + Pyrantel Pamoate 256
Bedinvetmab 253
Selamectin 251
Maropitant Citrate 232
Cephalexin 219
Phenylpropanolamine Hcl 217

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Overdose, 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 (4.2% 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 Overdose (#28 of 2,481 by report volume); death-coded 4.2%. PlainBreed reaction plate · report volume stamp 14,237 · 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 →