I have gone through your question. I can understand your concern.
AST and ALT
are the liver enzymes and their level increase in liver damage
. It may be due to hepatitis
, alcohol, drugs or toxins. He should go for complete liver function test. Search for the cause and then take treatment accordingly.
Hope I have answered your question, if you have doubt then I will be happy to answer. Thanks for using health care magic. Wish you a very good health.