Polycythemia Vera in Cats
 
Polycythemia vera is a blood disorder that involves abnormal blood thickening due to an increase of red blood cell production by the bone marrow. It is primarily seen in older cats.
 
Symptoms and Types
 
The following symptoms gradually appear but run a chronic course:
 

Weakness
Depression
Lack of appetite (anorexia)
Redness of skin (erythema)
Increased thirst and urination (