The staff at Penn State Hershey Pediatric Gastroenterology and Nutrition evaluates and manages a variety of problems affecting the digestive tract, liver and pancreas in infants, children and adolescents. Such problems include but are not limited to abdominal pain, constipation, chronic diarrhea, failure to thrive, feeding difficulty, gastrointestinal bleeding, gastroesophageal reflux, inflammatory bowel disease, pancreatitis, hepatitis and jaundice. Diagnostic testing including pH probes, liver biopsies and endoscopic procedures (look inside the body cavity) are available. We also have a comprehensive multidisciplinary feeding clinic services.