What should I do?

[TryToForget]

Okay, I've posted about this a long time ago but it hasn't gotten any better. I'll try and explain the whole story while not trying to write a whole lot and bore you guys. I have a little over a year old female leopard gecko that I got last year on August 22nd. She ate (not tons but still a lot more than now) up until September 5th. I brought her to the vet on the 22nd and found out that she had coccidia. I had to give her medicine every other day for I think it was a couple of weeks and then she was supposed to start eating again. Well, it never happened. So I had to bring her back to the vet and I was told that I had to start force feeding her prescription dog/cat wet/soft food every other day. This went on until the 1st of December and then she started eating a little. She would normally eat 1-3 crickets every 2-3 days. Well, now it's March 27th and she's still only eating the same amount. I just don't know what to do anymore. She just seems like she keeps getting skinnier and skinnier. I don't know if it's just me who's thinking she is because I'm so worried or because she really is. I don't have a scale to weigh her and I don't really know where to get one because I'd get one if I did. When I first brought her to the vet she weighed 20.5 grams and the second time she weighed 20.4 grams. I'm kind of scared to find out what she weighs now. I've spent almost 100 dollars on vet bills and I just don't know what to do anymore. If anyone has an suggestions at all please tell me it would be greatly appreciated.

-Jamie