Important: Adverse event reports are voluntarily submitted and do not prove causation. Consult your veterinarian for medical decisions about your cattle.
1,610
Total Reports
561
Deaths Reported
3480.0%
Death Rate
1.3 yr
Avg Age at Report
Average weight at time of report: 273.2 kg (602.4 lbs)
Top Reported Reactions
Death 460
Lack of efficacy (ectoparasite) - lice 280
Lack of efficacy - NOS 253
Lack of efficacy (bacteria) - NOS 109
Systemic disorder NOS 107
Hair loss NOS 98
Pruritus 72
Anaphylaxis 63
INEFFECTIVE, LICE BITING 57
Scratching 57
Rubbing 57
INEFFECTIVE, ESTRUS SYNCHRONIZ 47
Injection site swelling 47
Lack of efficacy (lice) 43
Itching 40
Most Referenced Drugs
Doramectin 197
Portech App Gun 65 Ml Ivomec/Eprinex 138
Moxidectin 132
Ivermectin 0.5% Pour-On Topical Solution 121
Eprinomectin 105
Monensin Sodium 104
Ivermectin 103
Tulathromycin 95
Progesterone 66
Dinoprost Tromethamine 54
Eprinomectin 5 Mg/Ml Pour-On Solution 54
Eprinomectin 5% Injection 48
Ceftiofur Crystalline Free Acid 44
Fenbendazol Suspension 43
Bovine Virus*5/Past M+Mh Lv/Lb 38
Outcome Breakdown
Outcome Unknown
688 (41.6%)
Died
540 (32.6%)
Recovered/Normal
206 (12.4%)
Ongoing
166 (10.0%)
Recovered with Sequela
28 (1.7%)
Euthanized
27 (1.6%)
Gender Distribution
Female 575 (35.7%)
Mixed 557 (34.6%)
Male 326 (20.2%)
Unknown 152 (9.4%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2010 | 150 | |
| 2011 | 97 | |
| 2012 | 132 | |
| 2013 | 111 | |
| 2014 | 98 | |
| 2015 | 100 | |
| 2016 | 184 | |
| 2017 | 128 | |
| 2018 | 87 | |
| 2019 | 106 | |
| 2020 | 95 | |
| 2021 | 79 | |
| 2022 | 84 | |
| 2023 | 58 | |
| 2024 | 65 | |
| 2025 | 36 | |
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Rank #86 by report volume. Data reflects voluntary submissions and may not represent actual incidence rates.