DEAR DR. ROACH: My son, who is 28, has always had issues with his gut. Almost everything passes through his intestines quickly. He frequently sees undigested vegetables in his stool. He had intestinal pain and underwent upper and lower GI scopes because the doctor suspected Crohn’s or inflammatory bowel disease. But he found nothing other than inflammation in his stomach, for which he ordered Protonix; this helped with the pain. ...read more read less