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Breed profile · FDA CVM July 2026 extract

Lancashire Heeler adverse-event record

Adverse-event filings for Lancashire Heeler (Dog) in the FDA Center for Veterinary Medicine openFDA extract. Browse dog breeds, reactions, and outcomes below.

#502 of 510
by report volume (all breeds)
5
FDA CVM reports on file
0.0%
death-coded share of reports
1
Lack of efficacy - NOS - top reaction

How the 5 reports break down

By recorded gender -- every report on file for Lancashire Heeler, no filtering.

Annual report volume

Annual adverse-event report trend Yearly FDA CVM adverse-event report counts for this breed. 1 0.75 0.5 0.25 0 2016 2019 2021 2024 2026 Reports filed Death-coded reports
Annual report volume for Lancashire Heeler drawn from FDA CVM filings.

Data updated September 2026

The verdict

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Lancashire Heeler ranks #490 of 510 by total reports (5). Death-coded-share rank requires at least 50 reports. National dual: Retriever - Labrador is #1 of 510 by total adverse-event reports (93,675) at death-coded-share rank 195 of 275 breeds with at least 50 reports (3.7%); separately, Atlantic Salmon (Salmo salar) is #1 highest death-coded share at 99.0% (report rank #233).

93,675
Retriever - Labrador reports (#1)
99.0%
Atlantic Salmon (Salmo salar) death share (#1)
#490
This breed, reports of 510

Report volume reflects how common a breed or drug is and how often owners and vets file — not actual risk. Death-coded share ranks are limited to entries with enough reports to be meaningful. The two maps do not agree at #1.

Total Reports

5

Low report volume

Deaths Reported

0

of 5 reports

Death-coded share of reports

0.0%

0.0% death-coded

Avg Age at Report

8.2 yr

20.6 kg avg weight

Death-Coded Outcome Share

Lancashire Heeler death-coded reports 0.0%
Cross-breed median

0.0% of 5 lancashire heeler 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 (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: 20.6 kg (45.4 lbs)

Top Reported Reactions

Lack of efficacy - NOS 1
Eye disorder NOS (for photophobia see 'neurological') 1
Lack of efficacy (endoparasite) - heartworm 1
Lack of efficacy (ectoparasite) - tick NOS 1
Itching 1

Most Referenced Drugs

Milbemycin Oxime + Spinosad 4
Insulin Injectable Vial 1
Capromorelin 1
Fluralaner 13.64% 12-Week Chew 1
Afoxolaner 1

Outcome Breakdown

Ongoing
2 (40.0%)
Recovered/Normal
2 (40.0%)
Outcome Unknown
1 (20.0%)

Gender Distribution

Female 3 (60.0%)
Male 2 (40.0%)

Reports by Year

Year Reports Trend
2016 1
2019 1
2021 1
2024 1
2026 1

Lancashire Heeler: low death-coded share in the FDA CVM extract

Signature read: 5 reports place Lancashire Heeler in the lower third of breed filing volume (#502 of 510). According to FDA CVM filings indexed on PlainBreed as of July 2026 extract, Lancashire Heeler sits at #502 of 510 by report volume among all breeds and #296 of 298 among dog breeds, with 5 reports and 0 (0.0%) death-coded. Mean age at report: 8.2 years, average weight 20.6 kg (45.4 lbs).

Top reported signs: Lack of efficacy - NOS (1), Eye disorder NOS (for photophobia see 'neurological') (1), Lack of efficacy (endoparasite) - heartworm (1). Most-referenced drug: Milbemycin Oxime + Spinosad (4 reports), followed by Insulin Injectable Vial (1) and Capromorelin (1).

Outcome coding on 5 status-recorded reports is dominated by Ongoing (40.0%). Annual submissions ranged 1-2,026 across 5 years on file.

Dog Breeds With a Similar Report Volume

Showing 6 of 297 dog breeds in our dataset, ranked by closest report volume.

Nationwide breeds with similar profiles

Sparse-volume peer sets for Lancashire Heeler drawn from openFDA outside the Dog family so the neighborhoods are not species containment (the similar-volume list above stays within species).

Similar average weight

Nearest other-species breeds by reported average weight (20.6 kg here).

What to do with this dog

A report does not prove a drug caused the reaction, and popular breeds simply generate more reports.

Frequently Asked Questions

How many FDA adverse event reports involve Lancashire Heeler?
There are 5 adverse event reports involving Lancashire Heeler in the FDA database, of which 0 were death-coded (0.0% of those reports). That is a share of REPORTED events, not a mortality rate for the breed: adverse events reach the FDA when something goes wrong, so the denominator is reports, never the population of animals. According to the same FDA CVM extract, Lancashire Heeler ranks #502 of 510 by report volume among all breeds PlainBreed indexes (#296 of 298 among dog breeds).
Where does Lancashire Heeler sit among other breeds in PlainBreed's corpus?
According to FDA CVM report volume, Lancashire Heeler is #502 of 510 breeds indexed on PlainBreed (same ordering as the most-reported-breeds ranking). Inside Dog, it is #296 of 298. It has fewer than 50 reports, so it is outside the death-rate ranking cohort (≥50 reports). These are placement ranks in the reporting corpus, not clinical risk scores.
What are the most common adverse reactions reported for Lancashire Heeler?
The most commonly reported adverse reactions for Lancashire Heeler are Lack of efficacy - NOS (1 reports), Eye disorder NOS (for photophobia see 'neurological') (1 reports), Lack of efficacy (endoparasite) - heartworm (1 reports), Lack of efficacy (ectoparasite) - tick NOS (1 reports), Itching (1 reports).
What drugs are most frequently associated with Lancashire Heeler adverse events?
The drugs most frequently referenced in Lancashire Heeler adverse event reports are Milbemycin Oxime + Spinosad (4 reports), Insulin Injectable Vial (1 reports), Capromorelin (1 reports), Fluralaner 13.64% 12-Week Chew (1 reports), Afoxolaner (1 reports).
What is the average age of Lancashire Heeler in adverse event reports?
The average age of Lancashire Heeler at the time of adverse event reports is 8.2 years, with an average weight of 20.6 kg (45.4 lbs).

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Lancashire Heeler (Dog), extract as of July 2026 extract. 5 reports · 0 death-coded (0.0% of reports, not a mortality rate) · #502 of 510 by volume.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →