Reaction profile

The FDA adverse-event record for tablets, abnormal

16,188 FDA reports name tablets, abnormal, a high-volume reaction in the CVM extract (VeDDRA 99026). Plate stamps and neighbourhood peers follow.

#25 of 2,481
by report volume (all reactions)
16,188
reports citing this reaction
0.1%
death-coded share
Unknown
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. Tablets, Abnormal has 16,188 reports now versus 15,975 in that prior snapshot: 213 more (1.3%).

Report change
+213
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 Tablets, Abnormal changes

FDA AER · VeDDRA plate

Code 99026 VOL-HIGH

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

  • VOL-HIGH 16,188 reports
  • DEATH-RARE 0.1%
  • TOP-DECILE #25/2481
  • PHOTO-FINISH Lack of efficacy (ect…
  • SPECIES-UNKNOWN Unknown · 15,532
  • DRUG-LEAD Ivermectin + Pyra… · 4,722
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Lack of efficacy (ectoparasite) - tick NOS (±57 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 Tablets, Abnormal

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

Vomiting · highest174348Pruritus · near17227Lack of efficacy (ect… · near16245Tablets, Abnormal · this rea…16188Elevated alanine amin… · near15967Panting · near15046Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Tablets, Abnormal

Tablets, Abnormal: low death-coded share in the FDA AER plate

Signature read: 16,188 reports place Tablets, Abnormal in the upper third of FDA AER volume (#25 of 2,481). Report volume is upper-third scale: 16,188 named reports in the openFDA extract. Death-coded share is lower-third: 11 of 16,188 reports (0.1% of named reports). Nearest volume peer: Lack of efficacy (ectoparasite) - tick NOS (±57 reports). Lead species Unknown (15,532). Lead co-reported drug Ivermectin + Pyrantel As Pamoate Salt (4,722).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Ivermectin + Pyrantel As Pamoate Salt 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

Unknown 15,532
Dog 592
Cat 53
Human 7
Cattle 1
Horse 1
Sheep 1
Chicken 1

Breeds Most Affected

Unknown 15,546
Dog (unknown) 72
Crossbred Canine/dog 63
Retriever - Labrador 34
Shepherd Dog - German 29
Chihuahua 28
Shih Tzu 26
Cat (unknown) 23
Retriever - Golden 21
Domestic Shorthair 17

Associated Drugs

Ivermectin + Pyrantel As Pamoate Salt 4,722
Afoxolaner 1,803
Carprofen 1,034
Oclacitinib Maleate 687
Ivermectin, Pyrantel 511
Deracoxib 503
Fluralaner Chew Tablets 485
Grapiprant 385
Pimobendan 380
Spinosad 344
Milbemycin Oxime + Spinosad 321
Pyrantel Pamoate;Sarolaner 270
Clomipramine 252
Milbemycin Oxime + Praziquantel 248
Afoxolaner 150Mg / Moxidectin 720Mcg / Pyrantel 300Mg Chewable Tablet 245
Afoxolaner 75Mg / Moxidectin 360Mcg / Pyrantel 150Mg Chewable Tablet 229
Ivermectin/Pyrantel Pamoate Chewable 68Mcg/163Mg 222
Praziquantel 208
Fluralaner 13.64% 12-Week Chew 181
Ivermectin 173

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Tablets, Abnormal, 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 (0.1% 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 Tablets, Abnormal (#25 of 2,481 by report volume); death-coded 0.1%. PlainBreed reaction plate · report volume stamp 16,188 · 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 →