Reaction profile

The FDA adverse-event record for tiredness

1,380 FDA adverse-event reports reference tiredness (VeDDRA 1844). See the species, breeds, and drugs most associated with it below.

1,380
reports citing this reaction
7.5%
death-coded share
Dog
most-affected species
Milbemycin Oxime + Spinosad
most-associated drug
Verify with FDA CVM →
1,380
Total Reports
103
Deaths
7.5%
Death Rate

Species Most Affected

Dog 1,168
Cat 147
Human 55
Horse 5
Cattle 4
Pig 1

Breeds Most Affected

Retriever - Labrador 103
Crossbred Canine/dog 97
Domestic Shorthair 79
Chihuahua 75
Unknown 57
Retriever - Golden 51
Shih Tzu 48
Shepherd Dog - German 46
Dog (unknown) 46
Terrier - Yorkshire 41

Associated Drugs

Milbemycin Oxime + Spinosad 319
Spinosad 91
Afoxolaner 91
Milbemycin Oxime + Praziquantel 67
Pyrantel Pamoate;Sarolaner 65
Ivermectin + Pyrantel As Pamoate Salt 64
Nitenpyram 56
Trilostane 52
Lotilaner 47
Fluralaner Chew Tablets 46
Fluralaner 13.64% 12-Week Chew 43
Oclacitinib Maleate 41
Gabapentin 38
Carprofen 37
Bedinvetmab 35
Prednisone 32
Maropitant Citrate 32
Ivermectin 27
Moxidectin 26
Buprenorphine 26

Tiredness Reaction Insights

1,380 reports name Tiredness; 103 recorded a death outcome (7.5% of reported events, not a population-level mortality rate). VeDDRA code: 1844.

By species: Dog (1,168 reports), Cat (147 reports), Human (55 reports). By breed: Retriever - Labrador (103), Crossbred Canine/dog (97), Domestic Shorthair (79).

Most co-reported drugs: Milbemycin Oxime + Spinosad (319 reports), Spinosad (91 reports), Afoxolaner (91 reports), Milbemycin Oxime + Praziquantel (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.