Total Reports
126
FDA CVM filings
Dog /
FDA CVM · 2025 release 126 reports on file
Terrier - Toy Fox - FDA Adverse Event Profile
Adverse-event records for Terrier - Toy Fox (Dog) from the FDA Center for Veterinary Medicine.
Data updated June 2026
The record at a glance
Among dog breeds, Terrier - Toy Fox is #219 by FDA report volume; 4.0% of its 126 reports (5) were death-coded.
- #219
- most-reported dog breed
- 4.0%
- death-coded report share
- 38
- Vomiting - top reaction
- 6.3 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
5
of 126 reports
Death Rate
4.0%
death-coded share
Avg Age at Report
6.3 yr
5.5 kg avg weight
Death-Coded Outcome Share
Terrier - Toy Fox death-coded reports 4.0%
Cross-breed median
4.0% of 126 terrier - toy fox 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: 5.5 kg (12.1 lbs)
Top Reported Reactions
Vomiting 38
Lethargy (see also Central nervous system depression in 'Neurological') 19
Lack of efficacy (ectoparasite) - flea 15
Emesis 14
Diarrhoea 14
Lack of efficacy - NOS 13
Behavioural disorder NOS 7
Shaking 7
Most Referenced Drugs
Milbemycin Oxime + Spinosad 55
Spinosad 11
Pyrantel Pamoate;Sarolaner 10
Selamectin 9
Milbemycin Oxime + Praziquantel 8
Fluralaner 13.64% 12-Week Chew 7
Moxidectin 5
Oclacitinib Maleate 5
Outcome Breakdown
Recovered/Normal
52 (41.3%)
Outcome Unknown
39 (31.0%)
Ongoing
28 (22.2%)
Euthanized
5 (4.0%)
Recovered with Sequela
2 (1.6%)
Gender Distribution
Male 70 (55.6%)
Female 55 (43.7%)
Unknown 1 (0.8%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2012 | 6 | |
| 2013 | 10 | |
| 2014 | 25 | |
| 2015 | 10 | |
| 2016 | 10 | |
| 2017 | 11 | |
| 2018 | 11 | |
| 2019 | 7 | |
| 2020 | 7 | |
| 2021 | 10 | |
| 2022 | 3 | |
| 2023 | 6 | |
| 2024 | 5 | |
| 2025 | 5 | |
Terrier - Toy Fox Pet Health Insights
Terrier - Toy Fox accounts for 126 FDA adverse event reports, ranking #219 by volume among dog breeds, with 5 reports (4.0%) coded as a death outcome. Mean age at report: 6.3 years, average weight 5.5 kg (12.1 lbs).
Top reported signs: Vomiting (38), Lethargy (see also Central nervous system depression in 'Neurological') (19), Lack of efficacy (ectoparasite) - flea (15). Most-referenced drug: Milbemycin Oxime + Spinosad (55 reports), followed by Spinosad (11) and Pyrantel Pamoate;Sarolaner (10).
Outcome coding on 126 status-recorded reports is dominated by Recovered/Normal (41.3%). Annual submissions ranged 2,012-2,025 across 14 years on file.
Dog Breeds With a Similar Report Volume
Hound - Afghan
126 reports · 8.7% death rate
Leonberger
122 reports · 5.7% death rate
Sheepdog - Old English (Bobtail)
122 reports · 9.0% death rate
Elkhound - Norwegian Black
121 reports · 1.7% death rate
Shepherd Dog - Belgian Tervueren
119 reports · 6.7% death rate
Dogue de Bordeaux
141 reports · 6.4% death rate
Frequently Asked Questions
How many FDA adverse event reports involve Terrier - Toy Fox? ▼
There are 126 adverse event reports involving Terrier - Toy Fox in the FDA database, with 5 reports involving death (4.0% death rate). Terrier - Toy Fox ranks #219 by report volume.
What are the most common adverse reactions reported for Terrier - Toy Fox? ▼
The most commonly reported adverse reactions for Terrier - Toy Fox are Vomiting (38 reports), Lethargy (see also Central nervous system depression in 'Neurological') (19 reports), Lack of efficacy (ectoparasite) - flea (15 reports), Emesis (14 reports), Diarrhoea (14 reports).
What drugs are most frequently associated with Terrier - Toy Fox adverse events? ▼
The drugs most frequently referenced in Terrier - Toy Fox adverse event reports are Milbemycin Oxime + Spinosad (55 reports), Spinosad (11 reports), Pyrantel Pamoate;Sarolaner (10 reports), Selamectin (9 reports), Milbemycin Oxime + Praziquantel (8 reports).
What is the average age of Terrier - Toy Fox in adverse event reports? ▼
The average age of Terrier - Toy Fox at the time of adverse event reports is 6.3 years, with an average weight of 5.5 kg (12.1 lbs).
Does a high number of adverse event reports mean Terrier - Toy Fox 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 Terrier - Toy Fox 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.