Horse /

Holsteiner

44 adverse event reports submitted to the FDA

Important: Adverse event reports are voluntarily submitted and do not prove causation. Consult your veterinarian for medical decisions about your horse.
44
Total Reports
2
Deaths Reported
450.0%
Death Rate
13.6 yr
Avg Age at Report
Average weight at time of report: 483.8 kg (1066.8 lbs)

Top Reported Reactions

Lack of efficacy - NOS 9
INEFFECTIVE, GASTRIC ULCER(S) 7
Fever 7
Anorexia 5
Injection site pain 5
Injection site swelling 4
Behavioural disorder NOS 3
Other abnormal test result NOS 3
Lethargy (see also Central nervous system depression in 'Neurological') 3
Partial lack of efficacy 3
Gastric ulcer 2
Lameness 2
Decreased appetite 2
Injection site abscess 2
Abnormal ultrasound finding 2

Most Referenced Drugs

Omeprazole 12
Pergolide Mesylate 8
Ceftiofur Crystalline Free Acid 6
Omeprazole 37% Oral Paste 3
Flunixin 3
Oxybendazole 2
Triamcinolone Acetonide 2
Flunixin Meglumine Injectable 2
Dexamethasone 2
Ceftiofur 1
Ponazuril 1
Chloramphenicol 1
Atropine 1
Oxytetracycline 1
Minocycline 1

Outcome Breakdown

Recovered/Normal
17 (39.5%)
Outcome Unknown
14 (32.6%)
Ongoing
10 (23.3%)
Died
1 (2.3%)
Euthanized
1 (2.3%)

Gender Distribution

Male 21 (47.7%)
Female 20 (45.5%)
Unknown 3 (6.8%)

Reports by Year

Year Reports Trend
2010 1
2012 1
2013 1
2014 1
2015 4
2016 1
2017 4
2018 3
2019 1
2020 6
2021 5
2022 3
2023 1
2024 7
2025 5

Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Rank #277 by report volume. Data reflects voluntary submissions and may not represent actual incidence rates.