Reaction profile

The FDA adverse-event record for lot # and /or expiration date missing

Name: Lot # and /or Expiration date missing - FDA Animal Adverse Reaction
Creator: PlainBreed
License: https://open.fda.gov/license/

528 FDA reports name lot # and /or expiration date missing, a high-volume reaction in the CVM extract (VeDDRA 99843). Plate stamps and neighbourhood peers follow.

#626 of 2,481
by report volume (all reactions): 528
reports citing this reaction: 0.4%
death-coded share: Unknown
most-affected species

Compiled by PlainBreed

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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. Lot # and /or Expiration date missing has 528 reports now versus 524 in that prior snapshot: 4 more (0.8%).

Report change: +4
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.

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FDA AER · VeDDRA plate

Code 99843 VOL-MID

VOL-MID · DEATH-RARE · MID-PACK · PHOTO-FINISH · SPECIES-UNKNOWN · DRUG-LEAD · DESK-WIDE · BOOK-FULL

VOL-MID 528 reports
DEATH-RARE 0.4%
MID-PACK #626/2481
PHOTO-FINISH Barking
SPECIES-UNKNOWN Unknown · 494
DRUG-LEAD Ivermectin + Pyra… · 31
DESK-WIDE 20 breeds
BOOK-FULL 8/8 fields

Nearest volume peer: Barking (±1 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 Lot # and /or Expiration date missing

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

FDA AER report volume · neighbourhood around Lot # and /or Expiration date missing

Lot # and /or Expiration date missing: low death-coded share in the FDA AER plate

Signature read: Lot # and /or Expiration date missing's 0.4% death-coded share is among the lowest in the openFDA reaction corpus. Report volume is upper-third scale: 528 named reports in the openFDA extract. Death-coded share is lower-third: 2 of 528 reports (0.4% of named reports). Nearest volume peer: Barking (±1 reports). Lead species Unknown (494). Lead co-reported drug Ivermectin + Pyrantel As Pamoate Salt (31).

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 494

Dog 20

Cat 9

Human 3

Chicken 1

Goat 1

Breeds Most Affected

Unknown 497

Domestic Shorthair 5

Cat (unknown) 3

Pit Bull 2

Terrier - Cairn 1

Poodle - Toy 1

Wyandotte 1

Siberian Husky 1

Collie - Border 1

Shepherd Dog - Australian 1

Associated Drugs

Ivermectin + Pyrantel As Pamoate Salt 31

Ivermectin/Pyrantel Pamoate Chewable 68Mcg/163Mg 21

Fenbendazol Suspension 19

Nitenpyram 18

Moxidectin 16

Phenylpropanolamine Hcl 15

Recombinant Human Insulin 15

Dexamethasone Sodium Phosphate 15

Ivermectin/Pyrantel Pamoate Chewable 272Mcg/652Mg 13

Ceftiofur 13

Carprofen 12

Firocoxib 57 Mg Chewable 11

Milbemycin Oxime + Spinosad 9

Furosemide Tablets 9

Ivermectin, Pyrantel 9

Orbifloxacin Tablets 9

Firocoxib 227 Mg 8

Firocoxib 8

Insulin Human 8

Firocoxib 227 Mg Chewable 7

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Lot # and /or Expiration date missing, 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 (528 here).

Barking 527 Oedema NOS (see other SOCs for specific oedemas) 529 Rectal bleeding 529 Application site crust 530

Similar death-coded share

Nearest other reactions by death-coded share (0.4% here), distinct from the volume row.

Lack of efficacy (endoparasite) - tapeworm 0.4% Lack of efficacy (ectoparasite) - NOS 0.4% Product defect, product difficult to use/handle (see also 'Drug device difficult to use/handle') 0.4% Lack of efficacy (ectoparasite) - ear mite 0.4%

What to do with this reaction

Compare Lot # and /or Expiration date missing's report profile against similar reactions nationwide. See similar reactions
Read how death-coded share differs from a mortality rate before drawing conclusions. Understanding adverse events
Browse the full reaction directory to compare report counts across reaction types. All reactions

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 Lot # and /or Expiration date missing (#626 of 2,481 by report volume); death-coded 0.4%. PlainBreed reaction plate · death-coded share stamp 0.4% · 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 →