Recurring abdominal bloating/pain Chronic diarrhea/constipation Vomiting Liver and biliary tract disorders (transaminitis, fatty liver, primary sclerosing cholangitis, etc.) Weight loss Pale, foul-smelling stool Iron-deficiency anemia that does not respond to iron therapy Fatigue Failure to thrive or short stature Delayed puberty Pain in the joints Tingling numbness in the legs Pale sores inside the mouth… Read more »