Creatinine is transported through the bloodstream to the kidneys. The kidneys filter out most of the creatinine and dispose of it in the urine. Because the muscle mass in the body is relatively constant from day to day, the creatinine production normally remains essentially unchanged on a daily basis.
When you have an upset stomach, avoid acidic foods, he says. 1  Fatty Foods Fatty foods stimulate contractions in the digestive tract, which, surprisingly, can either slow down the emptying of the stomach and worsen constipation or speed up movement and worsen or lead to diarrhea.
Bland foods may not be appetizing, but they are ideal for an upset stomach. They allow your stomach and intestines to heal. An upset stomach is commonly referred to as gastroenteritis. The condition is common and has a variety of causes ranging from viruses to eating contaminated food to taking certain medications.lowly add foods your stomach can easily digest after the first day. Focus on foods such as bananas, rice, toast or applesauce. These foods are binding foods and will harden your stools, according to MedlinePlus. Bananas also are high in potassium, which is commonly lost if you are vomiting and have diarrhea.