Total Reports
13,509
FDA CVM filings
Dog /
FDA CVM · 2025 release 13,509 reports on file
Terrier (unspecified) - FDA Adverse Event Profile
Adverse-event records for Terrier (unspecified) (Dog) from the FDA Center for Veterinary Medicine.
Data updated June 2026
The record at a glance
Among dog breeds, Terrier (unspecified) is #15 by FDA report volume; 3.0% of its 13,509 reports (411) were death-coded.
- #15
- most-reported dog breed
- 3.0%
- death-coded report share
- 2,628
- Vomiting - top reaction
- 5.8 yr
- average age at report
Read report counts next to breed popularity: a bigger number often just means more owners and more vet visits.
Deaths Reported
411
of 13,509 reports
Death Rate
3.0%
death-coded share
Avg Age at Report
5.8 yr
11.6 kg avg weight
Death-Coded Outcome Share
Terrier (unspecified) death-coded reports 3.0%
Cross-breed median
3.0% of 13,509 terrier (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: 11.6 kg (25.6 lbs)
Top Reported Reactions
Vomiting 2,628
Emesis 1,484
Lethargy (see also Central nervous system depression in 'Neurological') 1,172
Lack of efficacy (endoparasite) - heartworm 1,120
Lack of efficacy (ectoparasite) - flea 886
Diarrhoea 838
Lack of efficacy - NOS 715
Lack of efficacy (endoparasite) - hookworm 641
Seizure NOS 570
INEFFECTIVE, HEARTWORM LARVAE 564
Not eating 339
Anorexia 336
Behavioural disorder NOS 325
Digestive tract disorder NOS 311
Emesis (multiple) 304
Most Referenced Drugs
Milbemycin Oxime + Spinosad 2,881
Ivermectin + Pyrantel As Pamoate Salt 1,429
Pyrantel Pamoate;Sarolaner 1,048
Spinosad 998
Moxidectin 885
Fluralaner Chew Tablets 711
Afoxolaner 704
Milbemycin Oxime + Praziquantel 532
Fluralaner 13.64% 12-Week Chew 516
Oclacitinib Maleate 500
Trilostane 404
Sarolaner 366
Bedinvetmab 333
Ivermectin 234
Carprofen 232
Outcome Breakdown
Recovered/Normal
4,716 (34.9%)
Outcome Unknown
3,943 (29.2%)
Ongoing
3,865 (28.6%)
Recovered with Sequela
574 (4.2%)
Euthanized
215 (1.6%)
Died
196 (1.5%)
Gender Distribution
Female 6,737 (49.9%)
Male 6,586 (48.8%)
Unknown 173 (1.3%)
Mixed 13 (0.1%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2010 | 20 | |
| 2011 | 348 | |
| 2012 | 997 | |
| 2013 | 802 | |
| 2014 | 831 | |
| 2015 | 954 | |
| 2016 | 964 | |
| 2017 | 1,069 | |
| 2018 | 1,010 | |
| 2019 | 1,011 | |
| 2020 | 948 | |
| 2021 | 888 | |
| 2022 | 774 | |
| 2023 | 937 | |
| 2024 | 1,210 | |
| 2025 | 746 | |
Terrier (unspecified) Pet Health Insights
Terrier (unspecified) accounts for 13,509 FDA adverse event reports, ranking #15 by volume among dog breeds, with 411 reports (3.0%) coded as a death outcome. Mean age at report: 5.8 years, average weight 11.6 kg (25.6 lbs).
Top reported signs: Vomiting (2,628), Emesis (1,484), Lethargy (see also Central nervous system depression in 'Neurological') (1,172). Most-referenced drug: Milbemycin Oxime + Spinosad (2,881 reports), followed by Ivermectin + Pyrantel As Pamoate Salt (1,429) and Pyrantel Pamoate;Sarolaner (1,048).
Outcome coding on 13,509 status-recorded reports is dominated by Recovered/Normal (34.9%). Annual submissions ranged 2,010-2,025 across 16 years on file.
Dog Breeds With a Similar Report Volume
Maltese
13,674 reports · 3.2% death rate
Dachshund (unspecified)
13,165 reports · 4.5% death rate
Shepherd Dog - Australian
15,583 reports · 3.7% death rate
Terrier - Jack Russell
10,210 reports · 3.7% death rate
Collie - Border
9,801 reports · 4.3% death rate
Pit Bull
17,328 reports · 3.1% death rate
Frequently Asked Questions
How many FDA adverse event reports involve Terrier (unspecified)? ▼
There are 13,509 adverse event reports involving Terrier (unspecified) in the FDA database, with 411 reports involving death (3.0% death rate). Terrier (unspecified) ranks #15 by report volume.
What are the most common adverse reactions reported for Terrier (unspecified)? ▼
The most commonly reported adverse reactions for Terrier (unspecified) are Vomiting (2,628 reports), Emesis (1,484 reports), Lethargy (see also Central nervous system depression in 'Neurological') (1,172 reports), Lack of efficacy (endoparasite) - heartworm (1,120 reports), Lack of efficacy (ectoparasite) - flea (886 reports).
What drugs are most frequently associated with Terrier (unspecified) adverse events? ▼
The drugs most frequently referenced in Terrier (unspecified) adverse event reports are Milbemycin Oxime + Spinosad (2,881 reports), Ivermectin + Pyrantel As Pamoate Salt (1,429 reports), Pyrantel Pamoate;Sarolaner (1,048 reports), Spinosad (998 reports), Moxidectin (885 reports).
What is the average age of Terrier (unspecified) in adverse event reports? ▼
The average age of Terrier (unspecified) at the time of adverse event reports is 5.8 years, with an average weight of 11.6 kg (25.6 lbs).
Does a high number of adverse event reports mean Terrier (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 (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.