You said..."and found some sicknesses that she said would be cleared up by some antibiotics"...what was the sickness? The antibiotic?

Does he have a UVB light or get exposure to direct sunlight (that does not pass through glass or plastic)? What brand and type (long tube or spiral/compact)of UVB light are you using?

What is the temperature in the basking area?

How do you provide water him?

What supplements do you use and how often for each? What do you feed the insects?

Is he pooping? Eating? Drinking?

Do you have a substrate in the cage?