Important: Adverse event reports are voluntarily submitted and do not prove causation. Consult your veterinarian for medical decisions about your horse.
375
Total Reports
51
Deaths Reported
1360.0%
Death Rate
14.2 yr
Avg Age at Report
Average weight at time of report: 428.3 kg (944.4 lbs)
Top Reported Reactions
Lack of efficacy - NOS 40
Injection site swelling 30
Death by euthanasia 23
Behavioural disorder NOS 23
Anorexia 22
Colic 22
Lethargy (see also Central nervous system depression in 'Neurological') 20
INEFFECTIVE, GASTRIC ULCER(S) 20
Injection site pain 19
Death 18
Other abnormal test result NOS 18
Application site swelling 17
Swollen mouth 15
Fever 13
Ataxia 13
Most Referenced Drugs
Ceftiofur Crystalline Free Acid 38
Omeprazole 36
Pergolide Mesylate 34
Ivermectin(1.55%)/Praziquantel(7.75%) Paste 29
Firocoxib 21
Polysulfated Glycosaminoglycan 21
Ivermectin + Praziquantel 17
Detomidine Hydrochloride 15
Clodronate Disodium 14
Ponazuril 12
Ketamine Hydrochloride 11
Ivermectin, Praziquantel 10
Praziquantel; Moxidectin 8
Praziquantel;Moxidectin 8
Ceftiofur 7
Outcome Breakdown
Recovered/Normal
133 (39.2%)
Outcome Unknown
102 (30.1%)
Ongoing
49 (14.5%)
Euthanized
26 (7.7%)
Died
25 (7.4%)
Recovered with Sequela
4 (1.2%)
Gender Distribution
Male 207 (55.2%)
Female 157 (41.9%)
Unknown 8 (2.1%)
Mixed 3 (0.8%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2010 | 22 | |
| 2011 | 21 | |
| 2012 | 20 | |
| 2013 | 20 | |
| 2014 | 28 | |
| 2015 | 35 | |
| 2016 | 30 | |
| 2017 | 26 | |
| 2018 | 19 | |
| 2019 | 24 | |
| 2020 | 18 | |
| 2021 | 21 | |
| 2022 | 24 | |
| 2023 | 23 | |
| 2024 | 29 | |
| 2025 | 15 | |
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Rank #153 by report volume. Data reflects voluntary submissions and may not represent actual incidence rates.