Total Reports
847
FDA CVM filings
Dog /
FDA CVM · 2025 release 847 reports on file
Terrier - Fox (unspecified) - FDA Adverse Event Profile
Adverse-event records for Terrier - Fox (unspecified) (Dog) from the FDA Center for Veterinary Medicine.
Data updated June 2026
The record at a glance
Among dog breeds, Terrier - Fox (unspecified) is #115 by FDA report volume; 4.6% of its 847 reports (39) were death-coded.
- #115
- most-reported dog breed
- 4.6%
- death-coded report share
- 208
- Vomiting - top reaction
- 6.9 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
39
of 847 reports
Death Rate
4.6%
death-coded share
Avg Age at Report
6.9 yr
8.4 kg avg weight
Death-Coded Outcome Share
Terrier - Fox (unspecified) death-coded reports 4.6%
Cross-breed median
4.6% of 847 terrier - fox (unspecified) 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: 8.4 kg (18.5 lbs)
Top Reported Reactions
Vomiting 208
Lethargy (see also Central nervous system depression in 'Neurological') 86
Diarrhoea 78
Lack of efficacy (ectoparasite) - flea 70
Emesis 67
Lack of efficacy (endoparasite) - hookworm 47
Lack of efficacy - NOS 47
Anorexia 45
Most Referenced Drugs
Milbemycin Oxime + Spinosad 124
Ivermectin + Pyrantel As Pamoate Salt 83
Spinosad 71
Afoxolaner 57
Oclacitinib Maleate 48
Fluralaner Chew Tablets 35
Afoxolaner 28.3 Mg Chewable Tablets 34
Moxidectin 31
Outcome Breakdown
Recovered/Normal
259 (36.3%)
Outcome Unknown
240 (33.7%)
Ongoing
137 (19.2%)
Recovered with Sequela
38 (5.3%)
Died
20 (2.8%)
Euthanized
19 (2.7%)
Gender Distribution
Female 454 (53.6%)
Male 374 (44.2%)
Unknown 16 (1.9%)
Mixed 3 (0.4%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2010 | 71 | |
| 2011 | 75 | |
| 2012 | 89 | |
| 2013 | 60 | |
| 2014 | 61 | |
| 2015 | 96 | |
| 2016 | 70 | |
| 2017 | 77 | |
| 2018 | 47 | |
| 2019 | 37 | |
| 2020 | 27 | |
| 2021 | 28 | |
| 2022 | 33 | |
| 2023 | 29 | |
| 2024 | 33 | |
| 2025 | 14 | |
Terrier - Fox (unspecified) Pet Health Insights
Terrier - Fox (unspecified) accounts for 847 FDA adverse event reports, ranking #115 by volume among dog breeds, with 39 reports (4.6%) coded as a death outcome. Mean age at report: 6.9 years, average weight 8.4 kg (18.5 lbs).
Top reported signs: Vomiting (208), Lethargy (see also Central nervous system depression in 'Neurological') (86), Diarrhoea (78). Most-referenced drug: Milbemycin Oxime + Spinosad (124 reports), followed by Ivermectin + Pyrantel As Pamoate Salt (83) and Spinosad (71).
Outcome coding on 713 status-recorded reports is dominated by Recovered/Normal (36.3%). Annual submissions ranged 2,010-2,025 across 16 years on file.
Dog Breeds With a Similar Report Volume
Alaskan Malamute
837 reports · 4.8% death rate
Greyhound - Italian
822 reports · 2.8% death rate
Terrier - Airedale
872 reports · 6.0% death rate
Bulldog - English
913 reports · 8.7% death rate
Coton de Tuléar
757 reports · 2.6% death rate
Spaniel - Springer (unspecified)
952 reports · 5.0% death rate
Frequently Asked Questions
How many FDA adverse event reports involve Terrier - Fox (unspecified)? ▼
There are 847 adverse event reports involving Terrier - Fox (unspecified) in the FDA database, with 39 reports involving death (4.6% death rate). Terrier - Fox (unspecified) ranks #115 by report volume.
What are the most common adverse reactions reported for Terrier - Fox (unspecified)? ▼
The most commonly reported adverse reactions for Terrier - Fox (unspecified) are Vomiting (208 reports), Lethargy (see also Central nervous system depression in 'Neurological') (86 reports), Diarrhoea (78 reports), Lack of efficacy (ectoparasite) - flea (70 reports), Emesis (67 reports).
What drugs are most frequently associated with Terrier - Fox (unspecified) adverse events? ▼
The drugs most frequently referenced in Terrier - Fox (unspecified) adverse event reports are Milbemycin Oxime + Spinosad (124 reports), Ivermectin + Pyrantel As Pamoate Salt (83 reports), Spinosad (71 reports), Afoxolaner (57 reports), Oclacitinib Maleate (48 reports).
What is the average age of Terrier - Fox (unspecified) in adverse event reports? ▼
The average age of Terrier - Fox (unspecified) at the time of adverse event reports is 6.9 years, with an average weight of 8.4 kg (18.5 lbs).
Does a high number of adverse event reports mean Terrier - Fox (unspecified) 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 - Fox (unspecified) 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.