Question by Sam K: Is Leukemia in cats caused by FLV?
I just found out that my oldest cat (he’s 11) that he may have Leukemia. I took him to the vet the other day because he was having diarrhea. He had blood drawn, and one of his test came back fine but his blood count came back iffy, the doctor said that it looked like Leukemia. But, she also said that when a cat is depressed sometimes tests can give false readings. (We moved recently and the kitty hasn’t taken to it so well, hides and such.) He still has an appetite, his bathroom habits are the same, the diarrhea has stopped. But, now I’ve noticed his leg is quite swollen, which worries me. If it is Leukemia, my question is this, is Leukemia only caused by the Feline Leukemia Virus or can cancer just develop? I have another cat, who was tested as a kitten and she didn’t have it. And as far as I can remember my oldest was tested as well and he was fine. They’re both indoor cats.
Answer by super_goofychick
cancer and FLV are not the same thing. it’s possible he has some other form of cancer, like bone cancer, which is quite common in cats and dogs. so yes, cancer can just develop even in a FLV neg. cat
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