Some even have skin conditions. The ability of this virus to cause immunosupression makes cats more susceptible to Demodex and Scabies . These symptoms are quite variable though, and are also present with other diseases like hyperthyroidism , liver disease , sugar diabetes , kidney disease , and feline hyperthyroidism , so a correct diagnosis is important. Cats that are carriers of the disease may not have any symptoms. FIA is caused by a blood parasite called Hemobartonella.
Anemia is diagnosed by a blood sample that counts the red blood cells.
Pets that are anemic tend to be lethargic and have poor appetites. Cats that are anemic due to FeLV need their red blood cells checked every 3 months on a routine basis. Fortunately, this test is inexpensive and can be performed in our hospital in a few minutes. The low WBC helps verify that this cat indeed does have a virus that is effecting, and also warns us that this cat is susceptible to secondary bacterial infections. This occurs when the virus again attacks the bone marrow like in anemia, but this time it effects the white blood cells.