In addition to itâs life threatening side effects, Accutane has been one of the most profitable drugs on the market. It has brought in over $700 million a year for the Swiss companyâs creator with 12 million people worldwide having taken it.
1 Doctors who specialize in liver diseases (hepatologist) 2  Doctors who specialize in stomach and intestinal diseases (gastroenterologist) 3  Doctors who specialize in infectious disease.  Nurse practitioners whose practice concentrates on people with liver diseases.
Quick Answer. Colon doctors may be called gastroenterologists. They are physicians who specialize in the diagnosis and management of digestive system diseases. Doctors who solely treat conditions associated with the colon, rectum and anus are called proctologists. Continue Reading.