Drug profile

The FDA adverse-event record for Unknown Injection

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

26
adverse-event reports
11.5%
death-coded share
Dog
most-reported species
7
Pruritus - 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.
26
Total Reports
3
Deaths Reported
11.5%
Death Rate

Active Ingredients

Unknown Injection

Administration Routes

UnknownOral

Species Affected

Dog 16
Cat 10

Most Affected Breeds

Domestic Shorthair 6
Terrier - Yorkshire 3
Domestic Mediumhair 2
Spitz - German Pomeranian 2
Schnauzer - Giant 1
Great Pyrenees 1
Maltese 1
Boxer (German Boxer) 1
Crossbred Canine/dog 1
Pit Bull 1

Most Reported Reactions

Pruritus 7
Lethargy (see also Central nervous system depression in 'Neurological') 5
Weight loss 4
Weight gain 4
Diarrhoea 4
Increased appetite 4
Disorientation 3
Death 3
Behavioural disorder NOS 3
Licking 3
Hair loss NOS 3
Unable to stand 2

Outcome Breakdown

Recovered/Normal
12 (46.2%)
Outcome Unknown
10 (38.5%)
Died
3 (11.5%)
Ongoing
1 (3.8%)

Unknown Injection Adverse Event Insights

26 reports name Unknown Injection; 3 recorded a death outcome (11.5% of reported events, not a population-level mortality rate). Active ingredient: Unknown Injection. Administration routes: Unknown, Oral.

By species: Dog (16 reports), Cat (10 reports). By breed: Domestic Shorthair (6), Terrier - Yorkshire (3), Domestic Mediumhair (2).

Leading clinical signs: Pruritus (7), Lethargy (see also Central nervous system depression in 'Neurological') (5), Weight loss (4), Weight gain (4). Outcome, 26 coded reports: Recovered/Normal leads at 46.2%.

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.