Reaction profile

The FDA adverse-event record for ineffective, bots

19 FDA adverse-event reports reference ineffective, bots (VeDDRA 99091). See the species, breeds, and drugs most associated with it below.

19
reports citing this reaction
0.0%
death-coded share
Horse
most-affected species
Praziquantel;Moxidectin
most-associated drug
Verify with FDA CVM →
19
Total Reports
0
Deaths
0.0%
Death Rate

Species Most Affected

Horse 9
Cattle 6
Goat 3
Cat 1

Breeds Most Affected

Quarter Horse 4
Horse (unknown) 3
Cattle (other) 2
Unknown 2
Crossbred Caprine/goat 2
Cattle (unknown) 1
Guernsey 1
Jersey 1
Crossbred Bovine/Cattle 1
Warmblood (unspecified) 1

Associated Drugs

Praziquantel;Moxidectin 5
Ivermectin 10 Mg/Ml Solution For Injection 4
Ivermectin 2
Eprinomectin 5 Mg/Ml Pour-On Solution 2
Ivermectin, Praziquantel 1
Moxidectin 1
Ivermectin 1.87% Paste 1
Ivermectin(1%)/Clorsulon(10%) Injection 1
Ivermectin(1.55%)/Praziquantel(7.75%) Paste 1
Selamectin;Sarolaner 1

INEFFECTIVE, BOTS Reaction Insights

19 reports name INEFFECTIVE, BOTS; 0 recorded a death outcome (0.0% of reported events, not a population-level mortality rate). VeDDRA code: 99091.

By species: Horse (9 reports), Cattle (6 reports), Goat (3 reports). By breed: Quarter Horse (4), Horse (unknown) (3), Cattle (other) (2).

Most co-reported drugs: Praziquantel;Moxidectin (5 reports), Ivermectin 10 Mg/Ml Solution For Injection (4 reports), Ivermectin (2 reports), Eprinomectin 5 Mg/Ml Pour-On Solution (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.