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.
If you have an ulcer from H. pylori, it's crucial to avoid foods that further irritate your stomach. Foods that increase stomach acid are likely to trigger symptoms. So avoid tomatoes and tomato products, onions, garlic, citrus fruits like orange and grapefruit, along with their juices, and whole-milk dairy foods Spicy foods cause problems as well, so avoid highly seasoned foods. Steer clear of spices like chili powder, garlic powder, black pepper and hot chilies.