m_good 1980 , You should consult a gastroenterologist specialist to evaluate your symptoms . Usually the dark color of stools ,is given by a substance produced by the liver (bile). When there is an obstruction in the biliary tract system , stools will have a yellow white looking appearance.
This could be caused by :
biliary tract system obstruction
liver disease
viral hepatitis (liver inflammation)
medications
or
alcohol liver inflammation
The doctor will need to perform some test like:
liver enzymatic test
bilirrubin blood levels
cholangiopancreatography
Viral Hepatitis Antigens
With these tests , your doctor will be able to determine the cause of your symptoms , to give you the adequate treatment.
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