Feline Leukemia Virus Infection
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About this condition
Feline leukemia virus (FeLV) infects the immune and blood-forming systems, causing anemia, lymphoma, and opportunistic infections. The virus spreads through close contact with infected cats via saliva, grooming, and bite wounds.
Common symptoms
- Chronic weight loss
- Anemia (pale mucous membranes)
- Enlarged lymph nodes
- Recurring infections or fever
Common causes
- Infection with feline leukemia virus (FeLV)
- Contact with saliva or nasal secretions of infected cats through grooming
- Transmission through bite wounds
- Vertical transmission from mother to kitten
Prevention (husbandry & daily care)
Vaccinate high-risk cats with the FeLV vaccine, keep cats indoors to prevent contact with infected cats, and test and quarantine all new cats before introduction.
Related species guide
→ Browse the species guide for this animalWhen to see a vet
See a vet as soon as possibleWhat treatment does a vet provide?
Veterinarians confirm infection through antigen blood tests and provide symptomatic treatment for complications such as anemia and secondary infections. Regular monitoring and guidance to maintain quality of life are provided.
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