Total Reports
5
FDA CVM filings
Dog /
FDA CVM · 2025 release 5 reports on file
Mastiff - Pyrenean - FDA Adverse Event Profile
Adverse-event records for Mastiff - Pyrenean (Dog) from the FDA Center for Veterinary Medicine.
Data updated June 2026
The record at a glance
With 5 reports on file, Mastiff - Pyrenean sits at #495 among dog breeds by volume; death-coded share is 0.0% (0 reports).
- #495
- most-reported dog breed
- 0.0%
- death-coded report share
- 2
- Vomiting - top reaction
- 4.7 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
0
of 5 reports
Death Rate
0.0%
death-coded share
Avg Age at Report
4.7 yr
55.6 kg avg weight
Death-Coded Outcome Share
Mastiff - Pyrenean death-coded reports 0.0%
Cross-breed median
0.0% of 5 mastiff - pyrenean 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: 55.6 kg (122.6 lbs)
Top Reported Reactions
Vomiting 2
Lethargy (see also Central nervous system depression in 'Neurological') 2
Emesis 1
INEFFECTIVE, WORMS NOS 1
Overdose 1
Most Referenced Drugs
Milbemycin Oxime + Spinosad 2
Deracoxib 2
Fenbendazol Granules 1
Marbofloxacin 1
Doxycycline 1
Outcome Breakdown
Ongoing
3 (60.0%)
Recovered/Normal
1 (20.0%)
Outcome Unknown
1 (20.0%)
Gender Distribution
Male 4 (80.0%)
Female 1 (20.0%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2014 | 1 | |
| 2015 | 1 | |
| 2016 | 1 | |
| 2019 | 1 | |
| 2025 | 1 | |
Mastiff - Pyrenean Pet Health Insights
Mastiff - Pyrenean accounts for 5 FDA adverse event reports, ranking #495 by volume among dog breeds, with 0 reports (0.0%) coded as a death outcome. Mean age at report: 4.7 years, average weight 55.6 kg (122.6 lbs).
Top reported signs: Vomiting (2), Lethargy (see also Central nervous system depression in 'Neurological') (2), Emesis (1). Most-referenced drug: Milbemycin Oxime + Spinosad (2 reports), followed by Deracoxib (2) and Fenbendazol Granules (1).
Outcome coding on 5 status-recorded reports is dominated by Ongoing (60.0%). Annual submissions ranged 2,014-2,025 across 5 years on file.
Dog Breeds With a Similar Report Volume
Frequently Asked Questions
How many FDA adverse event reports involve Mastiff - Pyrenean? ▼
There are 5 adverse event reports involving Mastiff - Pyrenean in the FDA database, with 0 reports involving death (0.0% death rate). Mastiff - Pyrenean ranks #495 by report volume.
What are the most common adverse reactions reported for Mastiff - Pyrenean? ▼
The most commonly reported adverse reactions for Mastiff - Pyrenean are Vomiting (2 reports), Lethargy (see also Central nervous system depression in 'Neurological') (2 reports), Emesis (1 reports), INEFFECTIVE, WORMS NOS (1 reports), Overdose (1 reports).
What drugs are most frequently associated with Mastiff - Pyrenean adverse events? ▼
The drugs most frequently referenced in Mastiff - Pyrenean adverse event reports are Milbemycin Oxime + Spinosad (2 reports), Deracoxib (2 reports), Fenbendazol Granules (1 reports), Marbofloxacin (1 reports), Doxycycline (1 reports).
What is the average age of Mastiff - Pyrenean in adverse event reports? ▼
The average age of Mastiff - Pyrenean at the time of adverse event reports is 4.7 years, with an average weight of 55.6 kg (122.6 lbs).
Does a high number of adverse event reports mean Mastiff - Pyrenean 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 Mastiff - Pyrenean 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.