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.
1 By Melissa Johnson. 2  Apple A little fiber goes a long way toward clearing nausea-inducing chemicals out of your system â but too much at one time can make you feel even worse. 3  Throughout the day, snack on such fiber-rich foods as a whole apple (Gala apples are a good choice) and crunchy raw vegetables.rackers. Foods high in starch â such as saltines, bread, and toast â help absorb stomach acids and settle a queasy stomach. Keep a handful of crackers on your nightstand; eating a few before you get out of bed may help ease nausea in the morning.