Total Reports
1,291
FDA CVM filings
Dog /
FDA CVM · 2025 release 1,291 reports on file
Ridgeback - Rhodesian - FDA Adverse Event Profile
Adverse-event records for Ridgeback - Rhodesian (Dog) from the FDA Center for Veterinary Medicine.
Data updated June 2026
The record at a glance
With 1,291 reports on file, Ridgeback - Rhodesian sits at #94 among dog breeds by volume; death-coded share is 5.2% (67 reports).
- #94
- most-reported dog breed
- 5.2%
- death-coded report share
- 218
- Vomiting - top reaction
- 5.1 yr
- average age at report
Report counts track breed popularity and reporting activity, not real-world risk, read this alongside how common the breed is.
Deaths Reported
67
of 1,291 reports
Death Rate
5.2%
death-coded share
Avg Age at Report
5.1 yr
35.7 kg avg weight
Death-Coded Outcome Share
Ridgeback - Rhodesian death-coded reports 5.2%
Cross-breed median
5.2% of 1,291 ridgeback - rhodesian 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: 35.7 kg (78.7 lbs)
Top Reported Reactions
Vomiting 218
Lethargy (see also Central nervous system depression in 'Neurological') 115
Diarrhoea 109
Lack of efficacy (endoparasite) - heartworm 97
Emesis 96
Lack of efficacy - NOS 95
INEFFECTIVE, HEARTWORM LARVAE 68
Lack of efficacy (endoparasite) - hookworm 66
Anorexia 55
Digestive tract disorder NOS 46
Lack of efficacy (ectoparasite) - flea 42
Death 38
Seizure NOS 38
Emesis (multiple) 38
Ataxia 33
Most Referenced Drugs
Milbemycin Oxime + Spinosad 277
Ivermectin + Pyrantel As Pamoate Salt 142
Pyrantel Pamoate;Sarolaner 88
Afoxolaner 78
Moxidectin 64
Spinosad 63
Milbemycin Oxime + Praziquantel 54
Oclacitinib Maleate 51
Carprofen 46
Fluralaner Chew Tablets 41
Bedinvetmab 37
Fluralaner 13.64% 12-Week Chew 25
Ivermectin/Pyrantel Pamoate Chewable 272Mcg/652Mg 23
Sarolaner 21
Milbemycin 18
Outcome Breakdown
Outcome Unknown
388 (32.3%)
Recovered/Normal
377 (31.4%)
Ongoing
322 (26.8%)
Recovered with Sequela
47 (3.9%)
Died
40 (3.3%)
Euthanized
27 (2.2%)
Gender Distribution
Male 668 (51.7%)
Female 603 (46.7%)
Unknown 15 (1.2%)
Mixed 5 (0.4%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2010 | 54 | |
| 2011 | 60 | |
| 2012 | 105 | |
| 2013 | 82 | |
| 2014 | 83 | |
| 2015 | 88 | |
| 2016 | 79 | |
| 2017 | 90 | |
| 2018 | 86 | |
| 2019 | 75 | |
| 2020 | 87 | |
| 2021 | 87 | |
| 2022 | 67 | |
| 2023 | 86 | |
| 2024 | 89 | |
| 2025 | 73 | |
Ridgeback - Rhodesian Pet Health Insights
Ridgeback - Rhodesian accounts for 1,291 FDA adverse event reports, ranking #94 by volume among dog breeds, with 67 reports (5.2%) coded as a death outcome. Mean age at report: 5.1 years, average weight 35.7 kg (78.7 lbs).
Top reported signs: Vomiting (218), Lethargy (see also Central nervous system depression in 'Neurological') (115), Diarrhoea (109). Most-referenced drug: Milbemycin Oxime + Spinosad (277 reports), followed by Ivermectin + Pyrantel As Pamoate Salt (142) and Pyrantel Pamoate;Sarolaner (88).
Outcome coding on 1,201 status-recorded reports is dominated by Outcome Unknown (32.3%). Annual submissions ranged 2,010-2,025 across 16 years on file.
Dog Breeds With a Similar Report Volume
Frequently Asked Questions
How many FDA adverse event reports involve Ridgeback - Rhodesian? ▼
There are 1,291 adverse event reports involving Ridgeback - Rhodesian in the FDA database, with 67 reports involving death (5.2% death rate). Ridgeback - Rhodesian ranks #94 by report volume.
What are the most common adverse reactions reported for Ridgeback - Rhodesian? ▼
The most commonly reported adverse reactions for Ridgeback - Rhodesian are Vomiting (218 reports), Lethargy (see also Central nervous system depression in 'Neurological') (115 reports), Diarrhoea (109 reports), Lack of efficacy (endoparasite) - heartworm (97 reports), Emesis (96 reports).
What drugs are most frequently associated with Ridgeback - Rhodesian adverse events? ▼
The drugs most frequently referenced in Ridgeback - Rhodesian adverse event reports are Milbemycin Oxime + Spinosad (277 reports), Ivermectin + Pyrantel As Pamoate Salt (142 reports), Pyrantel Pamoate;Sarolaner (88 reports), Afoxolaner (78 reports), Moxidectin (64 reports).
What is the average age of Ridgeback - Rhodesian in adverse event reports? ▼
The average age of Ridgeback - Rhodesian at the time of adverse event reports is 5.1 years, with an average weight of 35.7 kg (78.7 lbs).
Does a high number of adverse event reports mean Ridgeback - Rhodesian 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 Ridgeback - Rhodesian 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.