Important: Adverse event reports are voluntarily submitted and do not prove causation. Consult your veterinarian for medical decisions about your horse.
281
Total Reports
29
Deaths Reported
1030.0%
Death Rate
11.6 yr
Avg Age at Report
Average weight at time of report: 404.7 kg (892.4 lbs)
Top Reported Reactions
Lack of efficacy - NOS 30
Anorexia 23
Injection site swelling 22
Depression 19
Diarrhoea 16
Death 16
Fever 15
Application site swelling 15
INEFFECTIVE, ANESTHESIA 13
Swollen mouth 13
Colic 12
Injection site pain 10
Death by euthanasia 10
Behavioural disorder NOS 10
Other abnormal test result NOS 10
Most Referenced Drugs
Ivermectin + Praziquantel 40
Pergolide Mesylate 28
Ketamine Hydrochloride 20
Omeprazole 20
Ceftiofur 14
Firocoxib 12
Ivermectin, Praziquantel 11
Polysulfated Glycosaminoglycan 11
Detomidine Hydrochloride 10
Pentosan Polysulfate Sodium 9
Hyaluronate Sodium 8
Ceftiofur Crystalline Free Acid 8
Xylazine 7
Pyrantel Tartrate 6
Ivermectin 6
Outcome Breakdown
Recovered/Normal
104 (48.6%)
Outcome Unknown
63 (29.4%)
Died
19 (8.9%)
Ongoing
18 (8.4%)
Euthanized
10 (4.7%)
Gender Distribution
Male 126 (44.8%)
Female 73 (26.0%)
Mixed 60 (21.4%)
Unknown 22 (7.8%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2010 | 31 | |
| 2011 | 35 | |
| 2012 | 14 | |
| 2013 | 19 | |
| 2014 | 16 | |
| 2015 | 5 | |
| 2016 | 12 | |
| 2017 | 13 | |
| 2018 | 10 | |
| 2019 | 18 | |
| 2020 | 19 | |
| 2021 | 14 | |
| 2022 | 12 | |
| 2023 | 24 | |
| 2024 | 24 | |
| 2025 | 15 | |
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Rank #168 by report volume. Data reflects voluntary submissions and may not represent actual incidence rates.