Feline Leukemia Virus, Kawakami-Theilen, Kv

Verify with FDA CVM →

62 adverse event reports submitted to the FDA

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
62
Total Reports
13
Deaths Reported
2100.0%
Death Rate

Active Ingredients

Feline Leukemia Virus, Kawakami-Theilen, Kv

Administration Routes

Subcutaneous

Species Affected

Cat 62

Most Affected Breeds

Domestic Shorthair 49
Domestic Longhair 5
Siamese 3
Ragdoll 2
Domestic Mediumhair 1
Norwegian Forest 1
Maine Coon 1

Most Reported Reactions

Lethargy (see also Central nervous system depression in 'Neurological') 37
Fever 24
Anorexia 20
Other abnormal test result NOS 12
Weight loss 11
Dehydration 10
Vomiting 9
Anaemia NOS 9
Leucocytosis NOS 8
Death by euthanasia 8
Adipsia 7
Elevated total bilirubin 6

Outcome Breakdown

Ongoing
29 (46.8%)
Recovered/Normal
16 (25.8%)
Euthanized
8 (12.9%)
Died
5 (8.1%)
Outcome Unknown
4 (6.5%)

Data Summary

Metric Value
Total adverse event reports 62
Reports involving death 13
Case-fatality rate (reported events) 2100.0%
Distinct species in reports 1
Distinct breeds in reports 7
Distinct reactions reported 20
Active ingredients on file 1

Source: FDA Center for Veterinary Medicine — Adverse Event Reporting (CVM AER). Counts reflect voluntary reports only.

Feline Leukemia Virus, Kawakami-Theilen, Kv Adverse Event Insights

The FDA Center for Veterinary Medicine database currently holds 62 adverse event reports referencing Feline Leukemia Virus, Kawakami-Theilen, Kv, including 13 reports in which the animal died — a 2100.0% case-fatality figure among reported events only, not a population-level mortality rate. Active ingredient on file: Feline Leukemia Virus, Kawakami-Theilen, Kv. Reported administration route is Subcutaneous. These numbers reflect voluntary submissions from pet owners, veterinarians, and manufacturers and therefore under-represent mild events and over-represent severe ones — a pattern the FDA has documented repeatedly for pharmacovigilance datasets.

The species most frequently named in Feline Leukemia Virus, Kawakami-Theilen, Kv reports are Cat (62 reports), with Cat accounting for the largest share. Within those species, Domestic Shorthair (49), Domestic Longhair (5), Siamese (3) appear most often — though breed popularity and ownership density shape these counts as much as any drug-specific sensitivity. This distribution matters because the same active ingredient can behave very differently across body sizes, ages, and species physiology.

The most commonly reported clinical signs associated with Feline Leukemia Virus, Kawakami-Theilen, Kv are Lethargy (see also Central nervous system depression in 'Neurological') (37), Fever (24), Anorexia (20), Other abnormal test result NOS (12). Of the 62 reports with a coded outcome, Ongoing is the leading category at 46.8%. Because FDA adverse event data describes correlation rather than causation, these figures are best used to frame informed questions with a veterinarian and to compare reporting patterns across related products — not as a standalone safety verdict on Feline Leukemia Virus, Kawakami-Theilen, Kv.

Source: FDA Center for Veterinary Medicine — Adverse Event Reports FDA Center for Veterinary Medicine — Adverse Event Reports Data reflects voluntary submissions and may not represent actual incidence rates

Related

Data sourced from official AKC, AVMA, ACVO, and breed-club veterinary references. See our methodology for details. Retrieved and formatted by PlainBreed Editorial