Drug profile

The FDA adverse-event record for Anesthesia (Gas)

178 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Anesthesia (Gas). See the species affected, top reactions, and outcomes below.

178
adverse-event reports
10.1%
death-coded share
Cat
most-reported species
25
Behavioural disorder NOS - 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.
178
Total Reports
18
Deaths Reported
10.1%
Death Rate

Active Ingredients

Anesthesia (Gas)

Administration Routes

UnknownRespiratory (Inhalation)NasalParenteralSubcutaneousIntravenous

Species Affected

Cat 123
Dog 55

Most Affected Breeds

Domestic Shorthair 61
Cat (unknown) 26
Domestic Mediumhair 14
Retriever - Labrador 12
Crossbred Canine/dog 5
Domestic Longhair 5
Shepherd Dog - German 4
Schnauzer - Miniature 3
Maine Coon 3
Pit Bull 3

Most Reported Reactions

Behavioural disorder NOS 25
Not eating 23
Dysphoria 18
Hyperactivity 14
Dilated pupils 14
Other abnormal test result NOS 13
Elevated temperature 13
Not sleeping 13
Anorexia 12
Lethargy (see also Central nervous system depression in 'Neurological') 12
Vomiting 11
Not drinking 11

Outcome Breakdown

Recovered/Normal
77 (42.8%)
Ongoing
45 (25.0%)
Outcome Unknown
36 (20.0%)
Died
11 (6.1%)
Euthanized
7 (3.9%)
Recovered with Sequela
4 (2.2%)

Anesthesia (Gas) Adverse Event Insights

178 reports name Anesthesia (Gas); 18 recorded a death outcome (10.1% of reported events, not a population-level mortality rate). Active ingredient: Anesthesia (Gas). Administration routes: Unknown, Respiratory (Inhalation), Nasal, Parenteral.

By species: Cat (123 reports), Dog (55 reports). By breed: Domestic Shorthair (61), Cat (unknown) (26), Domestic Mediumhair (14).

Leading clinical signs: Behavioural disorder NOS (25), Not eating (23), Dysphoria (18), Hyperactivity (14). Outcome, 180 coded reports: Recovered/Normal leads at 42.8%.

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.