Symptoms of feline leukemia usually appear about three weeks after infection. The most common symptoms are vomiting, lethargy and swollen lymph nodes. Some other symptoms to watch for are fever, weight loss, pale gums and difficulty breathing. As feline leukemia makes your cat more vulnerable to infections in general, any long or recurring illness make be a symptom for concern.
Having a cat with Leukemia I noticed weight loss, not much appetite, sometimes feverish, not much energy, depressed or sad, dull coat, recurring sicknesses (colds, eye infection).
The symptoms of FELV that you are likely to notice first are swollen lymph nodes and decreased pression and general malaise are also common.The hind legs can become weak.
There are numerous symptoms for feline leukemia. These include: loss of appetite, vomiting, weight loss, gagging, blood in the stool, anemia, eye problems and more.
The problem with feline leukemia is that there are usually no signs of it. It is an immune disease that a sick animal can have and look as healthy as an ox. You need to take your cat to be tested for the disease in order to know. If you cat has any sort of tumor, it might have leukemia.
You should look out for a number of symptoms, including coughing, gagging, difficulty breathing, decreased appetite, weight loss, vomiting, diarrhea and/or constipation, dehydration, jaundice, fever, a swollen neck and/or lymph nodes, and an overall lethargic attitude. If your cat is tired all the time or being really lazy, take it to the vet!
There really isn't a certain symptom. If you find yourself treating the same thing over and over with your cat, but it's not getting better, then it is probably leukemia. Take your cat to the Vet and ask for a FeLV test. This will show tell if there is any chronic disease.
Symptoms that appear after two to four weeks of contracting the virus may be fever, lethargy, vomiting and swollen lymph nodes. The first sign is usually loss of appetite and weight loss.
Labored breathing, coughing, vomiting, depression, weight loss, fluid accumulation, dehydration, constipation, and diarrhea are all outward symptoms. Tests may show that the cat has enlarged lymph nodes and/or tumors.
Symptoms of feline leukemia (an auto-immune disorder) can include fever, vomiting, swollen lymph nodes, and general tireness / lethargy. These are symptoms which can appear 2 to 4 weeks after initial exposure and are during the acute stages of the disease.