Mine love hornworms as well, they add to their hydration too. I agree they are more "snack" than meal though. Silkworms are a great soft bodied worm to feed. They have a lot of calcium. Mulberry farms sells silks as well as hornworms.
I would just keep your misting schedule the same. I keep a lay bin in my female's cage at all times, that way she can lay at her own leisure...:) Definitely cover her cage, the ladies value their privacy!
My panther boy got coccidia a few years ago- it is hard to get rid of but possible. He was on 3 cycles of Ponazuril. I also put him in a "quarantine cage", a smaller cage with all plastic plants while he was on medication. After every cycle of Ponazuril, I scrubbed the cage with the Peroxide...
I also agree with kinyonga- the sore on his mouth may cause an infection. It can also effect his eating, including using his tongue. Jax are sensitive to supplements. I would not use D3 any more frequently than once every few weeks. I hope your little guy gets better soon!
I agree- my veiled has never bitten me, but he is more of a challenge than my panthers. Mine does come to me willingly though. Veileds have more sass, but he always responds to hand-feeding his favorite treats. Also, let him come to you, never "grab" him. Veiled chams are territorial and...
What part of Florida do you live in? Fl definitely has a great resource for reptile pet sitters. I would try and keep your guy at home. Also, going ahead and setting up your away plans will make for a happier pet in the long term. Check with vets who treat exotics for pet setting referrals...
A new cage can definitely cause them not to eat for a few days. Use a feeding cup so you can monitor food intake, but as long as she is drinking she will be fine for a week. You may want to get some small silkworms or hornworms to tempt her to eat.