Drug profile

The FDA adverse-event record for Tresaderm

58 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Tresaderm. See the species affected, top reactions, and outcomes below.

58
adverse-event reports
22.4%
death-coded share
Cat
most-reported species
8
Not eating - top reaction
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Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
58
Total Reports
13
Deaths Reported
22.4%
Death Rate

Active Ingredients

Tresaderm

Administration Routes

Auricular (Otic)UnknownTopicalOral

Species Affected

Cat 49
Dog 9

Most Affected Breeds

Domestic Shorthair 23
Cat (other) 6
Domestic Longhair 6
Domestic Mediumhair 3
Dog (other) 2
Persian 2
Siamese 2
Cat (unknown) 1
Balinese 1
Himalayan 1

Most Reported Reactions

Not eating 8
Ataxia 8
Death by euthanasia 8
Seizure NOS 7
Vomiting 5
Hyperglycaemia 5
Skin lesion NOS 5
Death 5
Head tremor 5
Lethargy (see also Central nervous system depression in Neurological) 5
Not himself/herself 5
Tachycardia 5

Outcome Breakdown

Ongoing
32 (55.2%)
Outcome Unknown
10 (17.2%)
Euthanized
8 (13.8%)
Died
5 (8.6%)
Recovered/Normal
3 (5.2%)

Tresaderm Adverse Event Insights

58 reports name Tresaderm; 13 recorded a death outcome (22.4% of reported events, not a population-level mortality rate). Active ingredient: Tresaderm. Administration routes: Auricular (Otic), Unknown, Topical, Oral.

By species: Cat (49 reports), Dog (9 reports). By breed: Domestic Shorthair (23), Cat (other) (6), Domestic Longhair (6).

Leading clinical signs: Not eating (8), Ataxia (8), Death by euthanasia (8), Seizure NOS (7). Outcome, 58 coded reports: Ongoing leads at 55.2%.

Read these counts as reporting volume, not risk: per our methodology, a widely-prescribed drug will rack up more raw FDA reports in a given year than a rarely-used one at an identical true rate, so we recommend comparing within similar-exposure products rather than across the full 2025 catalog.

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

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on 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.