The kidneys maintain the blood creatinine in a normal range. Creatinine has been found to be a fairly reliable indicator of kidney function. Elevated creatinine level signifies impaired kidney function or kidney disease.
If you feel nauseated, here are some tips: 1  Avoid foods that are hard to digest. 2  If the smell of hot food makes you feel ill, try eating cool or cold meals. 3  Eat six small meals each day instead of three large ones. 4  Do not lay down after eating. 5  Rest with your head higher than your feet.
Nuts. A lack of protein can make nausea feel even worse, so look to protein-packed foods, such as nuts & peanut butter, (as long as you're not allergic) that are easy to digest. They'll quickly replenish your depleted energy and help keep your nausea at bay.