Reaction profile

The FDA adverse-event record for lack of efficacy (mycoplasma) - haemobartonella

10 FDA adverse-event reports reference lack of efficacy (mycoplasma) - haemobartonella (VeDDRA 2807). See the species, breeds, and drugs most associated with it below.

10
reports citing this reaction
10.0%
death-coded share
Cat
most-affected species
Afoxolaner
most-associated drug
Verify with FDA CVM →
10
Total Reports
1
Deaths
10.0%
Death Rate

Species Most Affected

Cat 5
Dog 5

Breeds Most Affected

Domestic Shorthair 4
Shepherd Dog - German 1
Terrier - Yorkshire 1
Deutsche Dogge, Great Dane 1
Dog (unknown) 1
Retriever - Golden 1
Domestic Mediumhair 1

Associated Drugs

Afoxolaner 3
Feline Leukemia-Rhinotracheitis-Calici-Panleukopenia-Chlamydia Psittaci Vaccine, Killed Virus And Killed Chlamydia 2
Pradofloxacin 2
Vaccine (Unknown) 2
Selamectin;Sarolaner 2
Fluralaner/Moxidectin Spot-On 1
Cefovecin 1
Cefovecin Sodium 1
Ivermectin + Pyrantel As Pamoate Salt 1
Afoxolaner 18.75Mg / Moxidectin 90Mcg / Pyrantel 37.5Mg Chewable Tablet 1
Afoxolaner 150Mg / Moxidectin 720Mcg / Pyrantel 300Mg Chewable Tablet 1

Lack of efficacy (mycoplasma) - Haemobartonella Reaction Insights

10 reports name Lack of efficacy (mycoplasma) - Haemobartonella; 1 recorded a death outcome (10.0% of reported events, not a population-level mortality rate). VeDDRA code: 2807.

By species: Cat (5 reports), Dog (5 reports). By breed: Domestic Shorthair (4), Shepherd Dog - German (1), Terrier - Yorkshire (1).

Most co-reported drugs: Afoxolaner (3 reports), Feline Leukemia-Rhinotracheitis-Calici-Panleukopenia-Chlamydia Psittaci Vaccine, Killed Virus And Killed Chlamydia (2 reports), Pradofloxacin (2 reports), Vaccine (Unknown) (2 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.