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.
Tips to Prevent and Soothe Nausea. 1  If possible, avoid the kitchen when food is being prepared, to avoid strong food smells. 2  Use a travel mug with a lid to avoid unnecessary smells that can worsen nausea.  Keep snacks handy, because hunger may last only a few minutes. Eat the minute you feel like it.