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.
Abdominal bloating and nausea related to foods you eat will typically resolve after your body has had time to digest whatever has upset your stomach. Common food intolerances include lactose and gluten. Avoid eating any foods that you determine to cause abdominal bloating and nausea. Your doctor can prescribe medications related to underlying conditions such as acid reflux or constipation. More serious disorders, such as congestive heart failure or dumping syndrome, may require prolonged treatments.