Total Reports
67
FDA CVM filings
Horse /
FDA CVM · 2025 release 67 reports on file
Mustang - FDA Adverse Event Profile
Adverse-event records for Mustang (Horse) from the FDA Center for Veterinary Medicine.
Data updated June 2026
The record at a glance
With 67 reports on file, Mustang sits at #251 among horse breeds by volume; death-coded share is 10.4% (7 reports).
- #251
- most-reported horse breed
- 10.4%
- death-coded report share
- 8
- Diarrhoea - top reaction
- 13.1 yr
- average age at report
Report counts track breed popularity and reporting activity, not real-world risk, read this alongside how common the breed is.
Deaths Reported
7
of 67 reports
Death Rate
10.4%
death-coded share
Avg Age at Report
13.1 yr
414.0 kg avg weight
Death-Coded Outcome Share
Mustang death-coded reports 10.4%
Cross-breed median
10.4% of 67 mustang reports involved a death outcome.
How to read this number
Read alongside breed popularity, veterinary access, and owner awareness, these shape how many events ever reach the FDA. The comparison line marks the cross-breed median death-coded share (about 4.8%) among breeds with 50 or more reports; values above it suggest higher reporting bias toward severe outcomes, not necessarily higher true mortality.
Average weight at time of report: 414.0 kg (912.9 lbs)
Top Reported Reactions
Diarrhoea 8
Injection site swelling 7
Anorexia 5
INEFFECTIVE, SEDATION 5
Colic 5
Most Referenced Drugs
Detomidine Hydrochloride 11
Pergolide Mesylate 10
Ceftiofur Crystalline Free Acid 8
Ivermectin 5
Omeprazole 5
Outcome Breakdown
Recovered/Normal
27 (43.5%)
Outcome Unknown
20 (32.3%)
Ongoing
8 (12.9%)
Died
4 (6.5%)
Euthanized
3 (4.8%)
Gender Distribution
Male 37 (55.2%)
Female 26 (38.8%)
Mixed 2 (3.0%)
Unknown 2 (3.0%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2010 | 1 | |
| 2011 | 6 | |
| 2012 | 2 | |
| 2013 | 2 | |
| 2015 | 5 | |
| 2016 | 1 | |
| 2017 | 2 | |
| 2018 | 3 | |
| 2019 | 3 | |
| 2020 | 3 | |
| 2021 | 10 | |
| 2022 | 8 | |
| 2023 | 12 | |
| 2024 | 6 | |
| 2025 | 3 | |
Mustang Pet Health Insights
Mustang accounts for 67 FDA adverse event reports, ranking #251 by volume among horse breeds, with 7 reports (10.4%) coded as a death outcome. Mean age at report: 13.1 years, average weight 414.0 kg (912.9 lbs).
Top reported signs: Diarrhoea (8), Injection site swelling (7), Anorexia (5). Most-referenced drug: Detomidine Hydrochloride (11 reports), followed by Pergolide Mesylate (10) and Ceftiofur Crystalline Free Acid (8).
Outcome coding on 62 status-recorded reports is dominated by Recovered/Normal (43.5%). Annual submissions ranged 2,010-2,025 across 15 years on file.
Horse Breeds With a Similar Report Volume
Frequently Asked Questions
How many FDA adverse event reports involve Mustang? ▼
There are 67 adverse event reports involving Mustang in the FDA database, with 7 reports involving death (10.4% death rate). Mustang ranks #251 by report volume.
What are the most common adverse reactions reported for Mustang? ▼
The most commonly reported adverse reactions for Mustang are Diarrhoea (8 reports), Injection site swelling (7 reports), Anorexia (5 reports), INEFFECTIVE, SEDATION (5 reports), Colic (5 reports).
What drugs are most frequently associated with Mustang adverse events? ▼
The drugs most frequently referenced in Mustang adverse event reports are Detomidine Hydrochloride (11 reports), Pergolide Mesylate (10 reports), Ceftiofur Crystalline Free Acid (8 reports), Ivermectin (5 reports), Omeprazole (5 reports).
What is the average age of Mustang in adverse event reports? ▼
The average age of Mustang at the time of adverse event reports is 13.1 years, with an average weight of 414.0 kg (912.9 lbs).
Does a high number of adverse event reports mean Mustang is unhealthy? ▼
No. FDA adverse event reports are voluntarily submitted and do not prove causation. Popular breeds with more veterinary visits tend to have more reports. The data reflects reporting patterns, not actual incidence rates. Always consult a veterinarian for health decisions.
Where does this Mustang safety data come from? ▼
All data comes from the FDA Center for Veterinary Medicine's adverse event reporting system. Pet owners, veterinarians, and manufacturers voluntarily submit reports about adverse events potentially linked to animal drugs and other products.
Compare a breed's report volume against how common the breed is before drawing conclusions. See our methodology for how death rate and rankings are computed.
Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. Breed figures are computed directly from FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.