This document discusses dietary guidelines for several gastrointestinal and liver diseases. It recommends continued breastfeeding and early refeeding for diarrheal diseases to reduce severity and prevent malnutrition. For acute glomerulonephritis, it advises restricting fluids and sodium during oliguria while providing liberal calories and protein. For acute renal failure, intravenous fluids are recommended if oral intake is not tolerated, with restricted sodium and protein intake. For congestive cardiac failure, it suggests fluid and sodium restriction with extra calories and protein. For hepatic diseases, it emphasizes providing adequate calories and nutrients to prevent complications while restricting fat, protein and fluids as needed.