Prednisolone; Trimeprazine Tartrate
817 adverse event reports submitted to the FDA
Active Ingredients
Administration Routes
Species Affected
Most Affected Breeds
Most Reported Reactions
Outcome Breakdown
Data Summary
| Metric | Value |
|---|---|
| Total adverse event reports | 817 |
| Reports involving death | 64 |
| Case-fatality rate (reported events) | 780.0% |
| Distinct species in reports | 4 |
| Distinct breeds in reports | 20 |
| Distinct reactions reported | 20 |
| Active ingredients on file | 1 |
Source: FDA Center for Veterinary Medicine — Adverse Event Reporting (CVM AER). Counts reflect voluntary reports only.
Prednisolone; Trimeprazine Tartrate Adverse Event Insights
The FDA Center for Veterinary Medicine database currently holds 817 adverse event reports referencing Prednisolone; Trimeprazine Tartrate, including 64 reports in which the animal died — a 780.0% case-fatality figure among reported events only, not a population-level mortality rate. Active ingredient on file: Prednisolone; Trimeprazine Tartrate. Reported administration routes include Oral, Unknown, Ophthalmic, Subcutaneous. These numbers reflect voluntary submissions from pet owners, veterinarians, and manufacturers and therefore under-represent mild events and over-represent severe ones — a pattern the FDA has documented repeatedly for pharmacovigilance datasets.
The species most frequently named in Prednisolone; Trimeprazine Tartrate reports are Dog (786 reports), Unknown (25 reports), Cat (4 reports), with Dog accounting for the largest share. Within those species, Retriever - Labrador (79), Shih Tzu (59), Terrier - Yorkshire (42) appear most often — though breed popularity and ownership density shape these counts as much as any drug-specific sensitivity. This distribution matters because the same active ingredient can behave very differently across body sizes, ages, and species physiology.
The most commonly reported clinical signs associated with Prednisolone; Trimeprazine Tartrate are Lack of efficacy - NOS (148), Lethargy (see also Central nervous system depression in 'Neurological') (102), INEFFECTIVE, LOSS OF EFFECT (100), Vomiting (97). Of the 792 reports with a coded outcome, Ongoing is the leading category at 62.6%. Because FDA adverse event data describes correlation rather than causation, these figures are best used to frame informed questions with a veterinarian and to compare reporting patterns across related products — not as a standalone safety verdict on Prednisolone; Trimeprazine Tartrate.
Source: FDA Center for Veterinary Medicine — Adverse Event Reports FDA Center for Veterinary Medicine — Adverse Event Reports Data reflects voluntary submissions and may not represent actual incidence rates
Read our methodology — how this data is sourced, computed, and verified.