Breed profile · FDA CVM July 2026 extract

Hamster (unknown) adverse-event record

Adverse-event filings for Hamster (unknown) (Hamster) in the FDA Center for Veterinary Medicine openFDA extract. Browse hamster breeds, reactions, and outcomes below.

#500 of 510
by report volume (all breeds)
5
FDA CVM reports on file
40.0%
death-coded share of reports
2
Death - top reaction

How the 5 reports break down

By recorded gender -- every report on file for Hamster (unknown), no filtering.

Annual report volume

Annual adverse-event report trend Yearly FDA CVM adverse-event report counts for this breed. 2 1.5 1 0.5 0 2015 2016 2019 2022 Reports filed Death-coded reports
Annual report volume for Hamster (unknown) drawn from FDA CVM filings.

Data updated September 2026

The verdict

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Hamster (unknown) 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.

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Hamster (unknown) has 5 reports now versus 5 in that prior snapshot: 0 the same number of (0.0%).

Report change
+0
Death-coded reports
+0
Death-coded share
+0.0 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Hamster (unknown) changes

Total Reports

5

Low report volume

Deaths Reported

2

of 5 reports

Death-coded share of reports

40.0%

40.0% death-coded

Avg Age at Report

0.9 yr

0.1 kg avg weight

Death-Coded Outcome Share

Hamster (unknown) death-coded reports 40.0%
Cross-breed median

40.0% of 5 hamster (unknown) 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: 0.1 kg (0.2 lbs)

Top Reported Reactions

Death 2
Vaginal discharge 2
Application site bleeding 1
Nasal discharge 1
Head tilt - neurological disorder 1

Most Referenced Drugs

Selamectin 2
Silver Sulfadiazine 1
Device: Animal Care (Bowls, Crates, Etc) 1
Enrofloxacin 1

Outcome Breakdown

Died
2 (40.0%)
Outcome Unknown
2 (40.0%)
Recovered with Sequela
1 (20.0%)

Gender Distribution

Female 4 (80.0%)
Unknown 1 (20.0%)

Reports by Year

Year Reports Trend
2015 1
2016 1
2019 1
2022 2

Hamster (unknown): high death-coded share in the FDA CVM extract

Signature read: 5 reports place Hamster (unknown) in the lower third of breed filing volume (#500 of 510). According to FDA CVM filings indexed on PlainBreed as of July 2026 extract, Hamster (unknown) sits at #500 of 510 by report volume among all breeds and #1 of 1 among hamster breeds, with 5 reports and 2 (40.0%) death-coded. Mean age at report: 0.9 years, average weight 0.1 kg (0.2 lbs).

Top reported signs: Death (2), Vaginal discharge (2), Application site bleeding (1). Most-referenced drug: Selamectin (2 reports), followed by Silver Sulfadiazine (1) and Device: Animal Care (Bowls, Crates, Etc) (1).

Outcome coding on 5 status-recorded reports is dominated by Died (40.0%). Annual submissions ranged 1-2,022 across 4 years on file.

Nationwide breeds with similar profiles

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

What to do with this hamster

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 Hamster (unknown)?
There are 5 adverse event reports involving Hamster (unknown) in the FDA database, of which 2 were death-coded (40.0% 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, Hamster (unknown) ranks #500 of 510 by report volume among all breeds PlainBreed indexes (#1 of 1 among hamster breeds).
Where does Hamster (unknown) sit among other breeds in PlainBreed's corpus?
According to FDA CVM report volume, Hamster (unknown) is #500 of 510 breeds indexed on PlainBreed (same ordering as the most-reported-breeds ranking). Inside Hamster, it is #1 of 1. 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 Hamster (unknown)?
The most commonly reported adverse reactions for Hamster (unknown) are Death (2 reports), Vaginal discharge (2 reports), Application site bleeding (1 reports), Nasal discharge (1 reports), Head tilt - neurological disorder (1 reports).
What drugs are most frequently associated with Hamster (unknown) adverse events?
The drugs most frequently referenced in Hamster (unknown) adverse event reports are Selamectin (2 reports), Silver Sulfadiazine (1 reports), Device: Animal Care (Bowls, Crates, Etc) (1 reports), Enrofloxacin (1 reports).
What is the average age of Hamster (unknown) in adverse event reports?
The average age of Hamster (unknown) at the time of adverse event reports is 0.9 years, with an average weight of 0.1 kg (0.2 lbs).

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

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Hamster (unknown) (Hamster), extract as of July 2026 extract. 5 reports · 2 death-coded (40.0% of reports, not a mortality rate) · #500 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 →