What Causes Fatigue Along With Fever And Swelling In The Hands?

for about 3 maths i have generally been feeling very poor... with the following symptoms extreme fatigue, weakness, mild fevers, hot and cold spells, swelling in hands and feet and that in the last week has spread to my legs and is more moderate, frequent bowel movements, nausea, bloating in upper abdomen, and gas I have had blood test and told my white blood cell and platelet counts are significantly elevate. what s wrong with me