Hi , I am Dr Anshul Varshney , I have read your query in detail , I understand your concern.Acute Viral Hepatitis
can cause weakness due to loss of apetite.
Important here is that you should get proper evaluation and treatment of hepatitis B
to avoid it to turn into Chronic.
This is my personal opinion based on details available here. If you want to discuss your issues further, you may please ask us
Dr Anshul Varshney , MD