Horse /

Hanovarian

132 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.
132
Total Reports
3
Deaths Reported
230.0%
Death Rate
13.0 yr
Avg Age at Report
Average weight at time of report: 430.4 kg (949.0 lbs)

Top Reported Reactions

INEFFECTIVE, GASTRIC ULCER(S) 25
Lack of efficacy - NOS 14
Injection site swelling 10
Partial lack of efficacy 8
Gastric ulcer 7
Application site swelling 6
Diarrhoea 6
Lethargy (see also Central nervous system depression in 'Neurological') 6
Injection site pain 6
Colic 6
Application site erythema 5
Behavioural disorder NOS 5
Pruritus 4
Overdose 4
Swollen mouth 4

Most Referenced Drugs

Omeprazole 30
Ivermectin(1.55%)/Praziquantel(7.75%) Paste 16
Omeprazole 37% Oral Paste 12
Polysulfated Glycosaminoglycan 11
Ceftiofur Crystalline Free Acid 11
Firocoxib 9
Pergolide Mesylate 9
Sucralfate 6
Pentosan Polysulfate Sodium 5
Ivermectin, Praziquantel 4
Hyaluronate Sodium 4
Altrenogest Oily Solution 4
Detomidine Hydrochloride 4
Clodronate Disodium 3
Ivermectin 2

Outcome Breakdown

Outcome Unknown
48 (42.1%)
Recovered/Normal
36 (31.6%)
Ongoing
25 (21.9%)
Died
3 (2.6%)
Recovered with Sequela
2 (1.8%)

Gender Distribution

Male 79 (59.8%)
Female 52 (39.4%)
Mixed 1 (0.8%)

Reports by Year

Year Reports Trend
2010 8
2011 4
2012 11
2013 14
2014 4
2015 10
2016 12
2017 11
2018 7
2019 6
2020 4
2021 11
2022 4
2023 10
2024 8
2025 8

Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Rank #215 by report volume. Data reflects voluntary submissions and may not represent actual incidence rates.