Were you able to get the medicine?
Which treatment are you doing?
As far as I know, you can drink water normally.
You probably don't want to eat food which will make you feel worse.
I would be careful with the foods that tend to trigger heavier symptoms.
You should not have alcohol during the treatment and wait a while (weeks or months) before you have alcohol since it will take a while to recover from Amoeba and meds.