Drug profile

The FDA adverse-event record for Feline Leukemia Virus, Ah927/1161E Strain

10 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Feline Leukemia Virus, Ah927/1161E Strain. See the species affected, top reactions, and outcomes below.

10
adverse-event reports
0.0%
death-coded share
Cat
most-reported species
5
Vomiting - 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.
10
Total Reports
0
Deaths Reported
0.0%
Death Rate

Active Ingredients

Feline Leukemia Virus, Ah927/1161E Strain

Administration Routes

SubcutaneousUnknown

Species Affected

Cat 10

Most Affected Breeds

Domestic Shorthair 7
Domestic Longhair 2
Siamese 1

Most Reported Reactions

Vomiting 5
Lethargy (see also Central nervous system depression in Neurological) 2
Anorexia 2
Anaphylaxis 2
Diarrhoea 2
Fever 2
Injection site bleeding 2
Injection site lesion 2
Hypotension 1
Adipsia 1
Dilated pupils 1
Not sleeping 1

Outcome Breakdown

Ongoing
4 (40.0%)
Recovered/Normal
3 (30.0%)
Outcome Unknown
3 (30.0%)

Feline Leukemia Virus, Ah927/1161E Strain Adverse Event Insights

10 reports name Feline Leukemia Virus, Ah927/1161E Strain; 0 recorded a death outcome (0.0% of reported events, not a population-level mortality rate). Active ingredient: Feline Leukemia Virus, Ah927/1161E Strain. Administration routes: Subcutaneous, Unknown.

By species: Cat (10 reports). By breed: Domestic Shorthair (7), Domestic Longhair (2), Siamese (1).

Leading clinical signs: Vomiting (5), Lethargy (see also Central nervous system depression in Neurological) (2), Anorexia (2), Anaphylaxis (2). Outcome, 10 coded reports: Ongoing leads at 40.0%.

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.