Welcome to HCM. I am Dr Anshul Varshney.
I have read your query in detail. I understand your concern.
We need to see that his Hepatitis
is Acute or Chronic.
I advise you to get his following investigations:
2. Anti HBc Antibody
Treatment would depend on whether it is acute or chronic.
This is my best advice for you with the available details, if you have any further query, please ask us.