Symptoms                   Symptoms of gastrointestinal problems are indigestion, heartburn, nausea, loss of appetite, abdominal pain that is often worse after eating, and gastrointestinal bleeding (signs of this are vomiting material that looks like coffee-grounds, or having dark stools).  Some other symptoms are acid bile reflux in the throat, asthma-like symptoms, often irritable bowel syndrome, chronic poor digestion with sharp abdominal and chest pains, hoarseness and chronic cough. [ Back ]