hi my mum has the same you must give him zinc sulfate this will make him want to eat going through treatment it really does work the best food is organic everything and fresh ,no sugar at all my mum has got 9 days of treatment left, the doctors said to us what ever you are doing keep it up , so if you would like i could send you a list of food we have been using for my mum because it is so hard trying to find the truth what is good for you or not wish this has helped