So I’m about two weeks post op and I’ve been losing something every day. Today I woke up and the scale went up about .5 pounds and I’m freaking out. Should I be this worried?

no. You'd have to eat 1750 calories above and beyond what your body needs to gain 0.5 lbs in true weight. At two weeks post-op, there's no way you're eating that much. It's probably just water retention - or else your intestines have a lot of "content" in them. Weight fluctuations are normal - if they start playing with your head too much, just start weighing once or twice a week instead of every day.

Half a pound is nothing to worry about. Statistically daily fluctuations can be up to 5 or 6 pounds. It's usually water weight or your bowels being full. If you're female and not menopausal then you can gain weight a week or two before your monthly and then not lose it until after (I'm going through that right now. I'm up 1.5 pounds and it's driving me up a wall! ?). I'd say try not to stress about it, but it's difficult not to, I know.