Serum creatinine and blood urea also may be measured to assess your overall kidney function.

Unfortunately, elemental analysis will not yield any information as to the extent of contamination by urea.

Nitrogen compounds, like urea, a big component of urine, are transformed over several steps.

This is not actually sweat containing urea and other waste products but a part of the blood serum.

Sweat glands bring down internal temperature through perspiration while ridding the body of the waste fluids urea and lactate.