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Anemia in Cats – Types and Symptoms

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Infectious Anemias continued...

More common is infection with Mycoplasma haemophilus (formerly called Hemobartonella felis). A variant is Mycoplasma haemominutum. This blood parasite is primarily passed to cats through tick and flea bites, but it can also be spread by cat bites and in utero or from infected queens to nursing kittens. Red blood cells are destroyed by the cat’s own immune reactions to the parasites. Mycoplasma haemophilus may also work in concert with feline leukemia virus to stimulate bone marrow cancers.

Cats with this type of infectious anemia are often weak and may have fevers. Some cats eat dirt or their litter in an attempt to add minerals to their diet. If left untreated, up to 30 percent of affected cats may die.

Signs of Anemia

Signs may be overshadowed by a chronic illness. In general, anemic cats lack appetite, lose weight, sleep a great deal, and show generalized weakness. The mucous membranes of the gums and tongue are pale. In cats with severe anemia, the pulse and breathing rate are rapid. These signs also occur with heart disease, and these two conditions can be confused.

Anemia is usually diagnosed by blood tests that look for the red blood cell count and also for the numbers and types of red blood cells present on a smear. Blood parasites are often detected on a smear, but special polymerase chain reaction (PCR) tests may be needed in some cases. A bone marrow sample may also be useful in determining the cause of the anemia.

Treatment: Uncomplicated nutritional anemia responds well to replacement of the missing nutrients and restoring the cat to a nutritionally complete diet.

Iron deficiency anemia should alert you to the possibility of chronic blood loss. A stool check will show whether there are ova and parasites or traces of blood in the feces. Work with your veterinarian to treat any external parasites.

WebMD Veterinary Reference from "Cat Owner's Home Veterinary Handbook"

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