My AH is dealing with the same thing - he was inpatient for 8 days and has been out 7 days, but now he's really feeling horribly. Fainting, vomiting, diarrhea, the whole bit. Thanks for the advice so far and please keep it coming. He doesn't want to end up in the ER (neither to do I). I got him some Gatorade, energy bars and shakes when he doesn't feel like eating real food, and lots of rest. I hope that will help him