You need to check the cause for the chronic diarrhea
. Chronic diarrhea and malabsorption can cause Low serum potassium and low serum iron
. We need to check for cause of chronic diarrhea / malabsorption syndrome
. An upper GI endoscopy with biopsy of duodenum is a good idea to start with. Celiac disease- which causes hypersensitivity
to gluten in which is a common cause of such a problem. It also causes the liver enzymes to be raised.
Hope I have answered your query. If you have any further questions I will be happy to help
Dr. Om Lakhani