Total Reports
1,051
FDA CVM filings
Dog /
FDA CVM · 2025 release 1,051 reports on file
Retriever - Chesapeake Bay - FDA Adverse Event Profile
Adverse-event records for Retriever - Chesapeake Bay (Dog) from the FDA Center for Veterinary Medicine.
Data updated June 2026
The record at a glance
Among dog breeds, Retriever - Chesapeake Bay is #108 by FDA report volume; 2.9% of its 1,051 reports (31) were death-coded.
- #108
- most-reported dog breed
- 2.9%
- death-coded report share
- 166
- INEFFECTIVE, HEARTWORM LARVAE - top reaction
- 5.3 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
31
of 1,051 reports
Death Rate
2.9%
death-coded share
Avg Age at Report
5.3 yr
35.5 kg avg weight
Death-Coded Outcome Share
Retriever - Chesapeake Bay death-coded reports 2.9%
Cross-breed median
2.9% of 1,051 retriever - chesapeake bay 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: 35.5 kg (78.3 lbs)
Top Reported Reactions
INEFFECTIVE, HEARTWORM LARVAE 166
Lack of efficacy (endoparasite) - heartworm 150
Vomiting 136
Lack of efficacy - NOS 81
Lack of efficacy (endoparasite) - hookworm 73
Diarrhoea 60
Lethargy (see also Central nervous system depression in 'Neurological') 53
Seizure NOS 44
INEFFECTIVE, ASCARIDS NOS 42
Digestive tract disorder NOS 35
Cardiac disorder NOS 35
Anorexia 32
Emesis 28
Lack of efficacy (ectoparasite) - flea 25
Other abnormal test result NOS 23
Most Referenced Drugs
Ivermectin + Pyrantel As Pamoate Salt 196
Milbemycin Oxime + Spinosad 151
Milbemycin Oxime + Praziquantel 84
Afoxolaner 60
Pyrantel Pamoate;Sarolaner 49
Moxidectin 47
Carprofen 41
Ivermectin, Pyrantel 35
Fluralaner Chew Tablets 35
Ivermectin/Pyrantel Pamoate Chewable 272Mcg/652Mg 29
Milbemycin 28
Bedinvetmab 28
Oclacitinib Maleate 26
Fluralaner 13.64% 12-Week Chew 25
Milbemycin Oxime 23
Outcome Breakdown
Outcome Unknown
356 (38.4%)
Ongoing
258 (27.8%)
Recovered/Normal
208 (22.4%)
Recovered with Sequela
75 (8.1%)
Euthanized
18 (1.9%)
Died
13 (1.4%)
Gender Distribution
Male 568 (54.0%)
Female 468 (44.5%)
Unknown 13 (1.2%)
Mixed 2 (0.2%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2010 | 62 | |
| 2011 | 70 | |
| 2012 | 67 | |
| 2013 | 56 | |
| 2014 | 61 | |
| 2015 | 62 | |
| 2016 | 77 | |
| 2017 | 79 | |
| 2018 | 77 | |
| 2019 | 67 | |
| 2020 | 71 | |
| 2021 | 72 | |
| 2022 | 50 | |
| 2023 | 59 | |
| 2024 | 79 | |
| 2025 | 42 | |
Retriever - Chesapeake Bay Pet Health Insights
Retriever - Chesapeake Bay accounts for 1,051 FDA adverse event reports, ranking #108 by volume among dog breeds, with 31 reports (2.9%) coded as a death outcome. Mean age at report: 5.3 years, average weight 35.5 kg (78.3 lbs).
Top reported signs: INEFFECTIVE, HEARTWORM LARVAE (166), Lack of efficacy (endoparasite) - heartworm (150), Vomiting (136). Most-referenced drug: Ivermectin + Pyrantel As Pamoate Salt (196 reports), followed by Milbemycin Oxime + Spinosad (151) and Milbemycin Oxime + Praziquantel (84).
Outcome coding on 928 status-recorded reports is dominated by Outcome Unknown (38.4%). Annual submissions ranged 2,010-2,025 across 16 years on file.
Dog Breeds With a Similar Report Volume
Bloodhound
1,020 reports · 3.3% death rate
Akita
1,083 reports · 5.1% death rate
Dachshund - Standard Long-haired
1,104 reports · 5.7% death rate
Terrier - Bull
998 reports · 4.3% death rate
Spitz - American Eskimo Dog
1,124 reports · 4.6% death rate
Spaniel - Springer (unspecified)
952 reports · 5.0% death rate
Frequently Asked Questions
How many FDA adverse event reports involve Retriever - Chesapeake Bay? ▼
There are 1,051 adverse event reports involving Retriever - Chesapeake Bay in the FDA database, with 31 reports involving death (2.9% death rate). Retriever - Chesapeake Bay ranks #108 by report volume.
What are the most common adverse reactions reported for Retriever - Chesapeake Bay? ▼
The most commonly reported adverse reactions for Retriever - Chesapeake Bay are INEFFECTIVE, HEARTWORM LARVAE (166 reports), Lack of efficacy (endoparasite) - heartworm (150 reports), Vomiting (136 reports), Lack of efficacy - NOS (81 reports), Lack of efficacy (endoparasite) - hookworm (73 reports).
What drugs are most frequently associated with Retriever - Chesapeake Bay adverse events? ▼
The drugs most frequently referenced in Retriever - Chesapeake Bay adverse event reports are Ivermectin + Pyrantel As Pamoate Salt (196 reports), Milbemycin Oxime + Spinosad (151 reports), Milbemycin Oxime + Praziquantel (84 reports), Afoxolaner (60 reports), Pyrantel Pamoate;Sarolaner (49 reports).
What is the average age of Retriever - Chesapeake Bay in adverse event reports? ▼
The average age of Retriever - Chesapeake Bay at the time of adverse event reports is 5.3 years, with an average weight of 35.5 kg (78.3 lbs).
Does a high number of adverse event reports mean Retriever - Chesapeake Bay 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 Retriever - Chesapeake Bay 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.