i have cf and i cant eat drink anything with milk in it. i have a intolernce for milk. i dont like to eat or drink a bunch of calories. i like my weight where it is. i dont wanna be fat ya no so i usually just stick to fruits and veggies i can hold those down at times. but i can eat certain types of yogurts with soy milk. i get it at any grocery store. i hope this helps.
keeping on fighting,stay strong and eventually we all will win this battle.