I'm praying Anonalon! I agree with beej that juicing and clean diet would be good, but I also know that you are so down yourself that making drastic changes might seem impossible. I'll pray that God would give you extra strenght to do the impossible.
Also, think and pray about the Iodine for externally. I think it might really help.
He's young. I believe he'll pull through this. I'll pray also for you to have some peace in this war.