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2026 FDA CVM data 1,326 reports on file official source

American Pit Bull Terrier — FDA Adverse Event Profile

Adverse-event records and label data for American Pit Bull Terrier (Dog), sourced from the FDA Center for Veterinary Medicine. Refreshed as new reports are filed. Cite PlainBreed when reusing this analysis.

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Annual breed adverse-event registration timeline Bar chart showing yearly FDA Center for Veterinary Medicine adverse event report counts per breed registry cohort, with paw-print tick marks indicating count buckets. 97 72.75 48.5 24.25 0 2018 2019 2020 2021 2022 2023 2024 2025 Reports filed Death-coded reports
Annual report volume for American Pit Bull Terrier drawn from FDA CVM filings.

American Pit Bull Terrier (Dog) has 1,326 FDA adverse event reports on record, with 91 deaths reported (690.0% death rate) — ranking #92 by report volume. The most frequently reported reaction is Vomiting (318 cases). The top associated drug is Trilostane. Average age at report: 5.5 years.

Total Reports

1,326

FDA CVM filings

Deaths Reported

91

of 1,326 reports

Death Rate

690.0%

death-coded share

Avg Age at Report

5.5 yr

26.6 kg avg weight

Death-Coded Outcome Share

American Pit Bull Terrier death-coded reports 100.0%
Database median

690.0% of 1,326 reports involved a death outcome. Read alongside breed popularity, veterinary access, and owner awareness — these shape how many events ever reach the FDA. The 12% comparison line is the rough cross-breed median in the FDA CVM database; values above suggest higher reporting bias toward severe outcomes, not necessarily higher true mortality.

Average weight at time of report: 26.6 kg (58.7 lbs)

Top Reported Reactions

Vomiting 318
Lethargy (see also Central nervous system depression in 'Neurological') 171
Emesis 144
Diarrhoea 125
Lack of efficacy - NOS 107
Weight loss 82
Anorexia 62
Decreased appetite 62
Underdose 54
Lack of efficacy (ectoparasite) - flea 53
Not eating 52
INEFFECTIVE, HEARTWORM LARVAE 48
Lack of efficacy (endoparasite) - hookworm 45
Death by euthanasia 45
Behavioural disorder NOS 42

Most Referenced Drugs

Trilostane 372
Milbemycin Oxime + Spinosad 341
Spinosad 79
Pyrantel Pamoate/Praziquantel 63
Ivermectin 272Mcg, Pyrantel Pamoate 228Mg, Praziquantel 228Mg 55
Carprofen 55
Milbemycin Oxime + Praziquantel 52
Prednisone 47
Verdinexor 40
Ivermectin 272Mcg, Pyrantel 227Mg 34
Milbemycin Oxime, Lufenuron 27
Medetomidine Hydrochloride, Vatinoxan Hydrochloride 26
Nitenpyram 25
Desoxycorticosterone Pivalate 23
Pyrantel Pamoate 22

Outcome Breakdown

Outcome Unknown
556 (41.9%)
Recovered/Normal
530 (39.9%)
Ongoing
114 (8.6%)
Euthanized
51 (3.8%)
Died
40 (3.0%)
Recovered with Sequela
36 (2.7%)

Gender Distribution

Female 655 (49.4%)
Male 642 (48.4%)
Unknown 26 (2.0%)
Mixed 3 (0.2%)

Reports by Year

Year Reports Trend
2010 1
2011 37
2012 108
2013 97
2014 199
2015 139
2016 84
2017 47
2018 57
2019 74
2020 63
2021 77
2022 94
2023 84
2024 97
2025 68
Size-class weight distribution across registered breeds Vertical bar chart showing the distribution of registered breeds across five size classes (Toy, Small, Medium, Large, Giant), each represented by a scaled dog-silhouette and a count value. 118 89 59 30 0 Breeds in class 38 Toy 0–6 kg Chihuahua 64 Small 6–14 kg Beagle 92 Medium 14–27 kg Border Collie 118 Large 27–45 kg Labrador Retriever 41 Giant 45–90 kg Great Dane Size-Class Distribution
Where American Pit Bull Terrier sits in the registered size-class taxonomy. Average reported weight: 26.6 kg.
Breed-group distribution donut chart Donut chart with kennel-club-ribbon center showing breed counts across the eight standard breed groups (Sporting, Hound, Working, Terrier, Toy, Non-Sporting, Herding, Miscellaneous). CH Sporting 32 · 14.2% Hound 36 · 15.9% Working 33 · 14.6% Terrier 31 · 13.7% Toy 23 · 10.2% Non-Sporting 21 · 9.3% Herding 32 · 14.2% Misc. 18 · 8.0% Breed-Group Classification 226 breeds across 8 taxonomic groups
Eight standard breed-group classifications used by major registries (AKC's seven groups plus Miscellaneous). Provides taxonomic context for breed lookups.

American Pit Bull Terrier Pet Health Insights

Across the FDA Center for Veterinary Medicine adverse event database, American Pit Bull Terrier accounts for 1,326 submitted reports and currently ranks #92 by report volume within the dog population. Of those reports, 91 involved a death outcome — a 690.0% case-fatality figure calculated directly from the underlying FDA records rather than from external mortality studies. The mean age at time of reporting is 5.5 years, with an average recorded body weight of 26.6 kg (58.7 lbs). These figures reflect the voluntary reporting pool only and should be read alongside breed popularity, veterinary access, and owner awareness — all of which shape how many events ever reach the FDA.

The most frequently reported clinical signs for American Pit Bull Terrier are Vomiting (318 reports), Lethargy (see also Central nervous system depression in 'Neurological') (171 reports), Emesis (144 reports), together capturing a substantial share of the top-reaction traffic seen in this breed's record. On the product side, Trilostane appears in 372 reports and is the single most-referenced drug, followed by Milbemycin Oxime + Spinosad (341) and Spinosad (79). Counts like these surface which therapeutic classes dominate the reporting stream — useful context when comparing reactions across breeds of the same dog species.

Outcome coding on the 1,327 reports with a recorded status is dominated by Outcome Unknown (41.9% of coded outcomes). Annual submission volume ranges from 2,010 to 2,025 reports across the 16 years on file, indicating the reporting trend is shaped as much by awareness cycles as by underlying clinical events. Because FDA adverse event reports describe correlation rather than causation, these numbers are most useful as a signal of where to ask further questions with a veterinarian — not as a standalone risk score for any individual dog.

Understanding American Pit Bull Terrier Adverse Event Data

American Pit Bull Terrier has a moderate volume of adverse event reports (1,326). Report counts are influenced by breed popularity, owner awareness, and veterinary reporting practices.

The 690.0% death rate is above average, though this statistic should be interpreted cautiously. Death reports may be overrepresented because serious outcomes are more likely to be reported than mild reactions.

The most frequently referenced drug in adverse reports is Trilostane, appearing in 372 reports. This may indicate widespread use of the medication rather than a specific safety concern for American Pit Bull Terrier.

Other Dog Breeds

Frequently Asked Questions

How many FDA adverse event reports involve American Pit Bull Terrier?
There are 1,326 adverse event reports involving American Pit Bull Terrier in the FDA database, with 91 reports involving death (690.0% death rate). American Pit Bull Terrier ranks #92 by report volume.
What are the most common adverse reactions reported for American Pit Bull Terrier?
The most commonly reported adverse reactions for American Pit Bull Terrier are Vomiting (318 reports), Lethargy (see also Central nervous system depression in 'Neurological') (171 reports), Emesis (144 reports), Diarrhoea (125 reports), Lack of efficacy - NOS (107 reports).
What drugs are most frequently associated with American Pit Bull Terrier adverse events?
The drugs most frequently referenced in American Pit Bull Terrier adverse event reports are Trilostane (372 reports), Milbemycin Oxime + Spinosad (341 reports), Spinosad (79 reports), Pyrantel Pamoate/Praziquantel (63 reports), Ivermectin 272Mcg, Pyrantel Pamoate 228Mg, Praziquantel 228Mg (55 reports).
What is the average age of American Pit Bull Terrier in adverse event reports?
The average age of American Pit Bull Terrier at the time of adverse event reports is 5.5 years, with an average weight of 26.6 kg (58.7 lbs).
Does a high number of adverse event reports mean American Pit Bull Terrier 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 American Pit Bull Terrier 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.

Guides & Resources

Related Data Sources

Data Sources & Methodology

Adverse event data sourced from the FDA Center for Veterinary Medicine via the openFDA Animal & Veterinary Adverse Events API. Reports are voluntarily submitted by pet owners, veterinarians, and product manufacturers.

American Pit Bull Terrier ranks #92 by total report volume. Death rate (690.0%) reflects the proportion of reports involving death and should not be interpreted as a breed-specific mortality rate. Reporting biases, breed popularity, and veterinary access all influence report counts.

Related

Data sourced from official AKC, AVMA, ACVO, and breed-club veterinary references. See our methodology for details. Retrieved and formatted by PlainBreed Editorial