Would remove and discard (do not return to cricket box) any crickets that remain uneaten for more than a couple days. Reason is their "gut loaded" nutritional value goes away as time passes. Also, a hungry cricket can bite a frog that does not eat it .

If eating worms would continue with that and try also adding earthworms (smaller red wrigglers) to feeder dish.

What parasite worms are we talking about? If hookworms or other nematodes would recommend 4 total anti-parasite treatments a week, apart due to their life cycle. Glad for frog improvement and good luck !

P.S. Every time I see the name of your frog... it me!