Your son's problem is not a serious one. It is a genetic disorder
that shows that abnormality in the blood tests with increse in
, especially during fasting , stress or infections.
This does not lead to any serious liver damage
Sometimes, tihis may be associated with gallstones. Not very
common. The only way to diagnose this is by a liver biopsy
some special staining . As I said before , this will not lead to
any severe liver problems. The only reason to know about it,
when the liver tests, bilirubin comes out high on testing.
I would not worry about this. Get a base line sonogram of the
. There is no special diet or treatment for this condition.
I wish him well.
By the way, there is no relationship between his diarrhea
with Gilbert's. It may have been a viral infection.