Reaction profile

The FDA adverse-event record for product label issues

1,770 FDA adverse-event reports reference product label issues (VeDDRA 99857). See the species, breeds, and drugs most associated with it below.

1,770
reports citing this reaction
0.8%
death-coded share
Unknown
most-affected species
Nitenpyram
most-associated drug
Verify with FDA CVM →
1,770
Total Reports
14
Deaths
0.8%
Death Rate

Species Most Affected

Unknown 1,298
Dog 367
Cat 83
Human 12
Horse 3
Cattle 3
Other 3
Hedgehog 1

Breeds Most Affected

Unknown 1,314
Chihuahua 73
Dog (unknown) 63
Domestic Shorthair 40
Crossbred Canine/dog 27
Cat (unknown) 20
Terrier - Yorkshire 19
Pit Bull 16
Retriever - Labrador 13
Shih Tzu 12

Associated Drugs

Nitenpyram 714
Praziquantel 278
Febantel + Praziquantel + Pyrantel Pamoate 125
Ivermectin, Pyrantel 67
Milbemycin Oxime + Spinosad 50
Imidacloprid 49
Fluralaner Spot-On Solution 32
Spinosad 29
Afoxolaner 22
Milbemycin Oxime 22
Selamectin 20
Milbemycin, Lufenuron 18
Carprofen 18
Firocoxib 17
Flea And Tick Shampoo 16
Ivermectin 15
Meloxicam 13
Fenbendazol Granules 13
Milbemycin Oxime + Praziquantel 13
Furosemide 11

Product label issues Reaction Insights

1,770 reports name Product label issues; 14 recorded a death outcome (0.8% of reported events, not a population-level mortality rate). VeDDRA code: 99857.

By species: Unknown (1,298 reports), Dog (367 reports), Cat (83 reports). By breed: Unknown (1,314), Chihuahua (73), Dog (unknown) (63).

Most co-reported drugs: Nitenpyram (714 reports), Praziquantel (278 reports), Febantel + Praziquantel + Pyrantel Pamoate (125 reports), Ivermectin, Pyrantel (67 reports).

Read these counts as reporting volume, not risk: per our methodology, co-reporting reflects temporal association captured in voluntary submissions, not proof that a drug caused this reaction. A widely-prescribed drug will rack up more raw co-reports at an identical true rate than a rarely-used one, so compare within similar-exposure products.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.