Hi I have gone through your query....
In liver 
hepatitis there can be 
anorexia , vomitting , fever , muscleache etc ...
These are some constitutional symptoms that can occur in hepatitis....
Here you can have sub acute or early stage hepatitis....
Following investigation done....
1.Serum 
bilirubin for 
jaundice 2.USG for hepatomegaly
3.liver enzymes sgpt and sgot raised in hepatitis 
4.Urine 
urobilinogen and bile pigment for distinguish obstructive and hepatocellular jaundice....
5.if needed viral marker....
Meanwhile for jaundice low fat diet.
Fruits more...
There is anorexia in hepatitis but try to take semisolid food and  apple juice or carrot juice .....
Gradually solid diet taken...
Avoid alcohol.....
One tsp licorice powder with honey can be taken....
Consult gastroentetologist in your city with keeping my advise in mind....
Take care....
Dr.Parth