He does seem a bit lethargic at night too. His belly looks a little bloated so maybe he's impacted. I can put him in some warm water tonight and see if that helps. I'll bring the temp down a bit too. That could be why he's favoring the cooler side of the terrarium. And fortunately if there is a problem with my frog they will pay for vet care rather than just replace him right off. It's the only one they had and I just decided I didn't want to leave him in that situation. Is there anything else I can do to help impaction (if that's even the problem). He pooped on the way home and I haven't seen any since so that might be the issue.