Dog /
FDA CVM · 2025 release 23 reports on file

Patterdale Terrier - FDA Adverse Event Profile

Adverse-event records for Patterdale Terrier (Dog) from the FDA Center for Veterinary Medicine.

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Annual adverse-event report trend Yearly FDA CVM adverse-event report counts for this breed. 7 5.25 3.5 1.75 0 2016 2017 2018 2019 2020 2021 2022 2024 Reports filed Death-coded reports
Annual report volume for Patterdale Terrier drawn from FDA CVM filings.

Data updated June 2026

The record at a glance

Patterdale Terrier's FDA record: #348 most-reported dog breed, 23 total reports, 13.0% death-coded (3 reports).

#348
most-reported dog breed
13.0%
death-coded report share
7
Vomiting - top reaction
5.4 yr
average age at report

Read report counts next to breed popularity: a bigger number often just means more owners and more vet visits.

Total Reports

23

FDA CVM filings

Deaths Reported

3

of 23 reports

Death Rate

13.0%

death-coded share

Avg Age at Report

5.4 yr

9.7 kg avg weight

Death-Coded Outcome Share

Patterdale Terrier death-coded reports 13.0%
Cross-breed median

13.0% of 23 patterdale terrier 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: 9.7 kg (21.4 lbs)

Top Reported Reactions

Vomiting 7
Seizure NOS 4
Emesis (multiple) 3
Lethargy (see also Central nervous system depression in 'Neurological') 2
Cardiac arrest 1

Most Referenced Drugs

Milbemycin Oxime + Spinosad 10
Ivermectin 4
Spinosad 3
Milbemycin Oxime + Praziquantel 3
Fluralaner Chew Tablets 3

Outcome Breakdown

Recovered/Normal
10 (43.5%)
Outcome Unknown
6 (26.1%)
Ongoing
3 (13.0%)
Died
2 (8.7%)
Euthanized
1 (4.3%)
Recovered with Sequela
1 (4.3%)

Gender Distribution

Female 13 (56.5%)
Male 10 (43.5%)

Reports by Year

Year Reports Trend
2012 2
2013 1
2014 3
2015 2
2016 1
2017 7
2018 1
2019 2
2020 1
2021 1
2022 1
2024 1

Patterdale Terrier Pet Health Insights

Patterdale Terrier accounts for 23 FDA adverse event reports, ranking #348 by volume among dog breeds, with 3 reports (13.0%) coded as a death outcome. Mean age at report: 5.4 years, average weight 9.7 kg (21.4 lbs).

Top reported signs: Vomiting (7), Seizure NOS (4), Emesis (multiple) (3). Most-referenced drug: Milbemycin Oxime + Spinosad (10 reports), followed by Ivermectin (4) and Spinosad (3).

Outcome coding on 23 status-recorded reports is dominated by Recovered/Normal (43.5%). Annual submissions ranged 2,012-2,024 across 12 years on file.

Dog Breeds With a Similar Report Volume

Frequently Asked Questions

How many FDA adverse event reports involve Patterdale Terrier?
There are 23 adverse event reports involving Patterdale Terrier in the FDA database, with 3 reports involving death (13.0% death rate). Patterdale Terrier ranks #348 by report volume.
What are the most common adverse reactions reported for Patterdale Terrier?
The most commonly reported adverse reactions for Patterdale Terrier are Vomiting (7 reports), Seizure NOS (4 reports), Emesis (multiple) (3 reports), Lethargy (see also Central nervous system depression in 'Neurological') (2 reports), Cardiac arrest (1 reports).
What drugs are most frequently associated with Patterdale Terrier adverse events?
The drugs most frequently referenced in Patterdale Terrier adverse event reports are Milbemycin Oxime + Spinosad (10 reports), Ivermectin (4 reports), Spinosad (3 reports), Milbemycin Oxime + Praziquantel (3 reports), Fluralaner Chew Tablets (3 reports).
What is the average age of Patterdale Terrier in adverse event reports?
The average age of Patterdale Terrier at the time of adverse event reports is 5.4 years, with an average weight of 9.7 kg (21.4 lbs).
Does a high number of adverse event reports mean Patterdale Terrier 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 Patterdale Terrier 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.

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.