Signs and Symptoms:

.general ill feeling and fatigue
.itching pruritus and dry skin
.headaches
.weighloss without trying
.loss of appetite
.nausea

Who's at risk:

.people with diabetes
.high blood pressure
.heart dease
.smoking
.obesity
.high cholesterol
.being African-American,Native American or Asian-American
.family history of kidney dease
.age 65

Source: nlm.nih.gov