Total Reports
37
FDA CVM filings
Cat /
FDA CVM · 2025 release 37 reports on file
Rex - Cornish - FDA Adverse Event Profile
Adverse-event records for Rex - Cornish (Cat) from the FDA Center for Veterinary Medicine.
Data updated June 2026
The record at a glance
Among cat breeds, Rex - Cornish is #298 by FDA report volume; 5.4% of its 37 reports (2) were death-coded.
- #298
- most-reported cat breed
- 5.4%
- death-coded report share
- 6
- Not eating - top reaction
- 9.5 yr
- average age at report
Higher volume usually means a more popular breed, not a riskier one, compare against how common the breed is.
Deaths Reported
2
of 37 reports
Death Rate
5.4%
death-coded share
Avg Age at Report
9.5 yr
3.3 kg avg weight
Death-Coded Outcome Share
Rex - Cornish death-coded reports 5.4%
Cross-breed median
5.4% of 37 rex - cornish 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: 3.3 kg (7.3 lbs)
Top Reported Reactions
Not eating 6
Vomiting 4
Lethargy (see also Central nervous system depression in 'Neurological') 4
Drooling 4
Lack of efficacy - NOS 4
Most Referenced Drugs
Spinosad 4
Methimazole 3
Cyclosporine 3
Maropitant Citrate 3
Frunevetmab 3
Outcome Breakdown
Recovered/Normal
14 (37.8%)
Outcome Unknown
13 (35.1%)
Ongoing
8 (21.6%)
Euthanized
1 (2.7%)
Died
1 (2.7%)
Gender Distribution
Male 19 (51.4%)
Female 18 (48.6%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2012 | 3 | |
| 2013 | 3 | |
| 2014 | 2 | |
| 2015 | 2 | |
| 2016 | 2 | |
| 2017 | 3 | |
| 2018 | 2 | |
| 2019 | 4 | |
| 2020 | 1 | |
| 2022 | 5 | |
| 2023 | 6 | |
| 2024 | 3 | |
| 2025 | 1 | |
Rex - Cornish Pet Health Insights
Rex - Cornish accounts for 37 FDA adverse event reports, ranking #298 by volume among cat breeds, with 2 reports (5.4%) coded as a death outcome. Mean age at report: 9.5 years, average weight 3.3 kg (7.3 lbs).
Top reported signs: Not eating (6), Vomiting (4), Lethargy (see also Central nervous system depression in 'Neurological') (4). Most-referenced drug: Spinosad (4 reports), followed by Methimazole (3) and Cyclosporine (3).
Outcome coding on 37 status-recorded reports is dominated by Recovered/Normal (37.8%). 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 Rex - Cornish? ▼
There are 37 adverse event reports involving Rex - Cornish in the FDA database, with 2 reports involving death (5.4% death rate). Rex - Cornish ranks #298 by report volume.
What are the most common adverse reactions reported for Rex - Cornish? ▼
The most commonly reported adverse reactions for Rex - Cornish are Not eating (6 reports), Vomiting (4 reports), Lethargy (see also Central nervous system depression in 'Neurological') (4 reports), Drooling (4 reports), Lack of efficacy - NOS (4 reports).
What drugs are most frequently associated with Rex - Cornish adverse events? ▼
The drugs most frequently referenced in Rex - Cornish adverse event reports are Spinosad (4 reports), Methimazole (3 reports), Cyclosporine (3 reports), Maropitant Citrate (3 reports), Frunevetmab (3 reports).
What is the average age of Rex - Cornish in adverse event reports? ▼
The average age of Rex - Cornish at the time of adverse event reports is 9.5 years, with an average weight of 3.3 kg (7.3 lbs).
Does a high number of adverse event reports mean Rex - Cornish 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 Rex - Cornish 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.