Gecko not eating

[Babybeardy19]

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My leopard gecko (adopted about three years ago, though age is unknown) has had a rough week. He last ate a week ago, and for a few days he did not poop. I was worried he was impacted, and I thought a drop of olive oil couldn't hurt. Sure enough, he pooped shortly after and then again the next day.
Still, he has not eaten and shows no interest in worms or crickets. I did notice that he was a little dehydrated, though it was not severe. I gave him a bit of water through a dropper and he drank that.
I do not know if a draft has gone through his cage. Every time I check, his basking spot is around 90 degrees and his cool side stays at around 80 at all times, though sometimes it fluctuates (never below 78 or higher than 83). I use paper towels as substrate and replace them often. I clean up his poop when it is fresh. I will clean his hides when needed (every couple of weeks to once a month). He does have a humid hide, which is always humid (I never allow it to dry).
His tail still looks plump and he shows no other obvious signs. I think he is still active at night, though I cannot be completely sure. I really want him to be okay. The nearest exotic vet is hours away (will be about a 4 hour drive).
Is there anything husbandry-wise that needs to be changed? I am caring for him the way I always have, based off of what these sites have said, though I understand that even here some information can be unreliable. I was worried it could be impaction-cause kidney infection, though the poop was only in his system a few days. His eyes are not sunken and he seems to be healthy otherwise. I have not found any obvious signs of pain, though he was licking his vent area a few times today and made a weird sound while doing so. If you notice anything about my setup that needs to be changed, please say so. Don't hesitate to tell me anything. Thank you!

*Edit*; his poop looked completely normal, no difference in color or size, but a bit softer than usual (due to olive oil I am assuming)

[Hilde]

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This is already being dealt with in your earlier thread. Please continue there: Feeding/pooping issue