Lulu,
you're definitely in the right place to get questions answered and similar experiences shared. I hope you and your docs "get it together" for you and get you started on an appropriate treatment soon.
Your concern over your loss of appetite is by no means out of place, hurtful, or petty. We all have experienced this and the resulting fatigue, weight loss and weakening of your immune system is a serious matter and you should feel comfortable addressing any concern you have-no matter how insignificant it may seem to "regular" people.
Christine has been, and continues to be one of the OCF angels that have helped me countless times through many situations and perplexities; many of which might sound ridiculous to be of concern to a healthy person. This ain't a simple disease-arm yourself with all the pertinent info you can so you can be a real member of your health-care team. Ask intelligent questions and it'll eventually sink in! ;-)
God bless and welcome to OCF. May it serve you as well as it has/is doing for many, many folks.