Your symptoms of nausea,vomiting and dark urine suggest that ou have developed acute alcoholic hepatitis due to excessive alcohol consumption.
You are required to consult a gastroenterologist
and assess your liver function tests and the amount of damage which has occurred to your liver,by getting liver biosy and CT scan done.
Treatment is aimed at reducing the inflammation of liver and correction of dehydration
and electrolyte loss and nutrition.You must quit alcohol completely because continued alcoholism would result in end stage liver disease
and then only treament left is liver transplant