Reaction profile

The FDA adverse-event record for neurological signs nos

2,739 FDA adverse-event reports reference neurological signs nos (VeDDRA 630). See the species, breeds, and drugs most associated with it below.

2,739
reports citing this reaction
23.7%
death-coded share
Dog
most-affected species
Milbemycin Oxime + Spinosad
most-associated drug
Verify with FDA CVM →
2,739
Total Reports
650
Deaths
23.7%
Death Rate

Species Most Affected

Dog 2,046
Cat 509
Horse 84
Cattle 41
Human 11
Turkey 10
Pig 7
Chicken 4
Goat 4
Other 3

Breeds Most Affected

Domestic Shorthair 254
Retriever - Labrador 201
Crossbred Canine/dog 152
Dog (unknown) 144
Terrier - Yorkshire 93
Chihuahua 87
Retriever - Golden 85
Boxer (German Boxer) 66
Shih Tzu 63
Domestic (unspecified) 59

Associated Drugs

Milbemycin Oxime + Spinosad 338
Bedinvetmab 160
Carprofen 155
Spinosad 152
Sarolaner 137
Pyrantel Pamoate;Sarolaner 126
Afoxolaner 123
Maropitant Citrate 111
Selamectin 110
Imidacloprid + Moxidectin 103
Moxidectin 92
Cefovecin 91
Oclacitinib Maleate 79
Trilostane 77
Gabapentin 75
Ivermectin + Pyrantel As Pamoate Salt 69
Fluralaner 13.64% 12-Week Chew 67
Ivermectin 65
Prednisone 56
Fluralaner Chew Tablets 52

Neurological signs NOS Reaction Insights

2,739 reports name Neurological signs NOS; 650 recorded a death outcome (23.7% of reported events, not a population-level mortality rate). VeDDRA code: 630.

By species: Dog (2,046 reports), Cat (509 reports), Horse (84 reports). By breed: Domestic Shorthair (254), Retriever - Labrador (201), Crossbred Canine/dog (152).

Most co-reported drugs: Milbemycin Oxime + Spinosad (338 reports), Bedinvetmab (160 reports), Carprofen (155 reports), Spinosad (152 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.