Important: Adverse event reports are voluntarily submitted and do not prove causation. Consult your veterinarian for medical decisions about your cattle.
2,581
Total Reports
1,224
Deaths Reported
4740.0%
Death Rate
1.1 yr
Avg Age at Report
Average weight at time of report: 254.8 kg (561.8 lbs)
Top Reported Reactions
Death 972
Lack of efficacy - NOS 863
Lack of efficacy (lice) 247
Lack of efficacy (bacteria) - NOS 169
Lack of efficacy (ectoparasite) - lice 118
Necropsy performed 118
Unrelated death 87
Increased sexual interest 70
INEFFECTIVE, ANTIBIOTIC 68
Death by euthanasia 57
Injection site swelling 56
Sudden death 54
Anaphylactic-type reaction 48
INEFFECTIVE, ESTRUS SUPPRESSIO 45
CULTURE/TITER DATA ABNORMAL 39
Most Referenced Drugs
Tulathromycin 699
Doramectin 609
Infectious Bovine Rhinotracheitis Virus(Ts), Rlb 106;Bovine Parainfluenza Virus 361
Ceftiofur Crystalline Free Acid 334
Bovine Parainfluenza 3, Pi3 Ebk-1/Ebht-1 Strain Al-Im;Infectious Bovine Rhinotra 221
Bovine Viral Diarrhea Virus, Type 2, Strain 53637, Lot Bvd2Mlv-D;Bovine Viral Di 219
Dinoprost Tromethamine 133
Trenbolone Acetate;Estradiol Benzoate 129
Melengestrol Acetate 121
Bovine Parainfluenza Virus 3 (Ts), Rlb103 (Nl-Bk-6), Mlv; Bovine Respiratory Syn 115
Ketoprofen;Tulathromycin 115
Clostridium Novyi, 8296;Clostridium Perfringens Type C, Pc8 108
Monensin Sodium 106
Progesterone 97
Albendazole 87
Outcome Breakdown
Outcome Unknown
1,735 (49.5%)
Died
1,193 (34.0%)
Recovered/Normal
278 (7.9%)
Ongoing
195 (5.6%)
Euthanized
66 (1.9%)
Recovered with Sequela
40 (1.1%)
Gender Distribution
Mixed 846 (32.8%)
Female 801 (31.0%)
Male 587 (22.7%)
Unknown 347 (13.4%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2010 | 25 | |
| 2011 | 24 | |
| 2012 | 16 | |
| 2013 | 32 | |
| 2014 | 29 | |
| 2015 | 118 | |
| 2016 | 240 | |
| 2017 | 347 | |
| 2018 | 278 | |
| 2019 | 291 | |
| 2020 | 247 | |
| 2021 | 186 | |
| 2022 | 172 | |
| 2023 | 231 | |
| 2024 | 235 | |
| 2025 | 110 | |
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Rank #69 by report volume. Data reflects voluntary submissions and may not represent actual incidence rates.