Reaction profile

The FDA adverse-event record for no sign

3,058 FDA reports name no sign, a high-volume reaction in the CVM extract (VeDDRA 93157). Plate stamps and neighbourhood peers follow.

#154 of 2,481
by report volume (all reactions)
3,058
reports citing this reaction
3.2%
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. No sign has 3,058 reports now versus 3,053 in that prior snapshot: 5 more (0.2%).

Report change
+5
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 No sign changes

FDA AER · VeDDRA plate

Code 93157 VOL-MID

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

  • VOL-MID 3,058 reports
  • DEATH-LOW 3.2%
  • TOP-DECILE #154/2481
  • PHOTO-FINISH Seal, Abnormal
  • SPECIES-DOG Dog · 1,152
  • DRUG-LEAD Selamectin · 312
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Seal, Abnormal (±9 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 No sign

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

Vomiting · highest174348Ketosis · near3077Abdominal pain · near3075No sign · this reaction3058Seal, Abnormal · near3049Elevated gamma-glutam… · near3047Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around No sign

No sign: low death-coded share in the FDA AER plate

Signature read: 3,058 reports place No sign in the upper third of FDA AER volume (#154 of 2,481). Report volume is upper-third scale: 3,058 named reports in the openFDA extract. Death-coded share is lower-third: 97 of 3,058 reports (3.2% of named reports). Nearest volume peer: Seal, Abnormal (±9 reports). Lead species Dog (1,152). Lead co-reported drug Selamectin (312).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Selamectin 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 1,152
Unknown 998
Human 344
Cat 221
Cattle 162
Horse 75
Goat 27
Other 21
Pig 18
Sheep 12

Breeds Most Affected

Unknown 1,389
Retriever - Labrador 169
Crossbred Canine/dog 155
Dog (unknown) 104
Domestic (unspecified) 84
Holstein-Friesian also known as Holstein 57
Shepherd Dog - German 53
Cattle (other) 51
Domestic Shorthair 48
Cat (unknown) 46

Associated Drugs

Selamectin 312
Ivermectin/Pyrantel Chew. Dog 272Mcg/227Mg 237
Amoxicillin (As Trihydrate); Clavulanate Potassium ( K-Clavulanate) 208
Spinosad 160
Pyrantel Pamoate 123
Moxidectin 122
Carprofen 96
Ivermectin 84
Ivermectin/Pyrantel Pamoate Chewable 272Mcg/652Mg 79
Ivermectin/Pyrantel Chew. Dog 68Mcg/57Mg 62
Mercaptobenzothiazole 61
Milbemycin Oxime + Spinosad 61
Ceftiofur Hydrochloride 60
Ivermectin/Pyrantel Chew. Dog 136Mcg/114Mg 58
Ceftiofur Crystalline Free Acid 46
Imidacloprid + Moxidectin 46
Nitenpyram 39
Ivermectin, Pyrantel 37
Ceftiofur Sodium 37
Tulathromycin 37

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for No sign, 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 (3,058 here).

Similar death-coded share

Nearest other reactions by death-coded share (3.2% 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 No sign (#154 of 2,481 by report volume); death-coded 3.2%. PlainBreed reaction plate · report volume stamp 3,058 · 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 →