Total Reports
43
FDA CVM filings
Cat /
FDA CVM · 2025 release 43 reports on file
American Bobtail - FDA Adverse Event Profile
Adverse-event records for American Bobtail (Cat) from the FDA Center for Veterinary Medicine.
Data updated June 2026
The record at a glance
Among cat breeds, American Bobtail is #281 by FDA report volume; 4.7% of its 43 reports (2) were death-coded.
- #281
- most-reported cat breed
- 4.7%
- death-coded report share
- 7
- Lack of efficacy (ectoparasite) - flea - top reaction
- 7.5 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
2
of 43 reports
Death Rate
4.7%
death-coded share
Avg Age at Report
7.5 yr
5.1 kg avg weight
Death-Coded Outcome Share
American Bobtail death-coded reports 4.7%
Cross-breed median
4.7% of 43 american bobtail 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: 5.1 kg (11.2 lbs)
Top Reported Reactions
Lack of efficacy (ectoparasite) - flea 7
Application site hair loss 6
Diarrhoea 4
Lethargy (see also Central nervous system depression in 'Neurological') 3
Vocalisation 3
Most Referenced Drugs
Fluralaner Spot-On Solution 6
Spinosad 5
Nitenpyram 5
Buprenorphine 5
Imidacloprid + Moxidectin 4
Outcome Breakdown
Outcome Unknown
15 (34.9%)
Ongoing
15 (34.9%)
Recovered/Normal
11 (25.6%)
Euthanized
1 (2.3%)
Died
1 (2.3%)
Gender Distribution
Male 24 (55.8%)
Female 19 (44.2%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2012 | 2 | |
| 2013 | 2 | |
| 2014 | 2 | |
| 2015 | 7 | |
| 2016 | 5 | |
| 2018 | 1 | |
| 2019 | 4 | |
| 2020 | 1 | |
| 2021 | 3 | |
| 2022 | 2 | |
| 2023 | 1 | |
| 2024 | 6 | |
| 2025 | 7 | |
American Bobtail Pet Health Insights
American Bobtail accounts for 43 FDA adverse event reports, ranking #281 by volume among cat breeds, with 2 reports (4.7%) coded as a death outcome. Mean age at report: 7.5 years, average weight 5.1 kg (11.2 lbs).
Top reported signs: Lack of efficacy (ectoparasite) - flea (7), Application site hair loss (6), Diarrhoea (4). Most-referenced drug: Fluralaner Spot-On Solution (6 reports), followed by Spinosad (5) and Nitenpyram (5).
Outcome coding on 43 status-recorded reports is dominated by Outcome Unknown (34.9%). Annual submissions ranged 2,012-2,025 across 13 years on file.
Cat Breeds With a Similar Report Volume
Frequently Asked Questions
How many FDA adverse event reports involve American Bobtail? ▼
There are 43 adverse event reports involving American Bobtail in the FDA database, with 2 reports involving death (4.7% death rate). American Bobtail ranks #281 by report volume.
What are the most common adverse reactions reported for American Bobtail? ▼
The most commonly reported adverse reactions for American Bobtail are Lack of efficacy (ectoparasite) - flea (7 reports), Application site hair loss (6 reports), Diarrhoea (4 reports), Lethargy (see also Central nervous system depression in 'Neurological') (3 reports), Vocalisation (3 reports).
What drugs are most frequently associated with American Bobtail adverse events? ▼
The drugs most frequently referenced in American Bobtail adverse event reports are Fluralaner Spot-On Solution (6 reports), Spinosad (5 reports), Nitenpyram (5 reports), Buprenorphine (5 reports), Imidacloprid + Moxidectin (4 reports).
What is the average age of American Bobtail in adverse event reports? ▼
The average age of American Bobtail at the time of adverse event reports is 7.5 years, with an average weight of 5.1 kg (11.2 lbs).
Does a high number of adverse event reports mean American Bobtail 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 Bobtail 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.