Drug profile

The FDA adverse-event record for Unknown Anesthetic

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

28
adverse-event reports
21.4%
death-coded share
Dog
most-reported species
4
Anorexia - top reaction
Verify with FDA CVM →
Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
28
Total Reports
6
Deaths Reported
21.4%
Death Rate

Active Ingredients

Unknown Anesthetic

Administration Routes

Unknown

Species Affected

Dog 16
Cat 12

Most Affected Breeds

Cat (unknown) 6
Domestic Shorthair 3
Domestic Longhair 2
Retriever - Labrador 2
Boxer (German Boxer) 2
Retriever - Golden 2
Dog (unknown) 2
Retriever - Chesapeake Bay 1
Pit Bull 1
Terrier - Yorkshire 1

Most Reported Reactions

Anorexia 4
Lethargy (see also Central nervous system depression in 'Neurological') 4
Diarrhoea 4
Ataxia 4
Death by euthanasia 3
Vomiting 3
Death 3
Deafness 3
Anaemia NOS 2
Decreased appetite 2
CULTURE/TITER DATA ABNORMAL 2
Behavioural disorder NOS 2

Outcome Breakdown

Outcome Unknown
11 (37.9%)
Ongoing
6 (20.7%)
Recovered/Normal
5 (17.2%)
Euthanized
3 (10.3%)
Died
3 (10.3%)
Recovered with Sequela
1 (3.4%)

Unknown Anesthetic Adverse Event Insights

28 reports name Unknown Anesthetic; 6 recorded a death outcome (21.4% of reported events, not a population-level mortality rate). Active ingredient: Unknown Anesthetic. Administration route: Unknown.

By species: Dog (16 reports), Cat (12 reports). By breed: Cat (unknown) (6), Domestic Shorthair (3), Domestic Longhair (2).

Leading clinical signs: Anorexia (4), Lethargy (see also Central nervous system depression in 'Neurological') (4), Diarrhoea (4), Ataxia (4). Outcome, 29 coded reports: Outcome Unknown leads at 37.9%.

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.