Reaction profile

The FDA adverse-event record for shaking

12,500 FDA adverse-event reports reference shaking (VeDDRA 2002). See the species, breeds, and drugs most associated with it below.

12,500
reports citing this reaction
6.3%
death-coded share
Dog
most-affected species
Milbemycin Oxime + Spinosad
most-associated drug
Verify with FDA CVM →
12,500
Total Reports
782
Deaths
6.3%
Death Rate

Species Most Affected

Dog 11,619
Cat 708
Horse 66
Human 41
Cattle 33
Pig 15
Goat 5
Rabbit 4
Sheep 3
Unknown 3

Breeds Most Affected

Chihuahua 938
Crossbred Canine/dog 922
Terrier - Yorkshire 818
Retriever - Labrador 726
Shih Tzu 508
Maltese 454
Domestic Shorthair 370
Dog (unknown) 340
Retriever - Golden 309
Terrier (unspecified) 281

Associated Drugs

Milbemycin Oxime + Spinosad 2,980
Afoxolaner 1,081
Spinosad 814
Pyrantel Pamoate;Sarolaner 681
Ivermectin + Pyrantel As Pamoate Salt 563
Trilostane 535
Sarolaner 455
Fluralaner Chew Tablets 447
Moxidectin 444
Fluralaner 13.64% 12-Week Chew 406
Carprofen 357
Oclacitinib Maleate 353
Milbemycin Oxime + Praziquantel 328
Maropitant Citrate 319
Bedinvetmab 305
Imidacloprid + Moxidectin 294
Selamectin 293
Nitenpyram 226
Lotilaner 198
Prednisone 192

Shaking Reaction Insights

12,500 reports name Shaking; 782 recorded a death outcome (6.3% of reported events, not a population-level mortality rate). VeDDRA code: 2002.

By species: Dog (11,619 reports), Cat (708 reports), Horse (66 reports). By breed: Chihuahua (938), Crossbred Canine/dog (922), Terrier - Yorkshire (818).

Most co-reported drugs: Milbemycin Oxime + Spinosad (2,980 reports), Afoxolaner (1,081 reports), Spinosad (814 reports), Pyrantel Pamoate;Sarolaner (681 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.