Just caught my Gecko about to pass waste for the first time so i had a watch, and this is what came out..
Hes not eating crickets at the minute and has not had any mealworms for a while. Hes ate 1 waxworm few days ago. Is that wee or is it poo and there could be something wrong?
No he ate black crickets and meal worms, and when i held em with tweezers in front of him but now all he does is either turn his head away or just closes his eyes and takes no notice. Never hunts down crickets when i leave them in there for 15-20 minutes
But how long has your Leo not been eating? There are many things that can cause this. How long ago did he last go poop? What's your setup like, heat, #of hides, lighting, UTH? I believe the sticky for health questionnaire is in health and medications? Go there, fill it out and post it here. Then we can see if there are things contributing.
If this is the same gecko that you posted who wasn't eating, I think it's got nothing in his stomach to poop out. Has it shed lately? It has started eating because you put in a UTH?
Or it could possibly be urates.
I just looked back on your previous posts. Im getting a little concerned as it seems this issue has been going on quite some time. Honestly, you may want to go to vet and have the gecko examined and a fecal done. It maybe environment, but I have no idea because I don't know the circumstances/housing. I would really take action sooner than later. At that age and considering how long you have had the gecko, you may be dealing with an underlying problem. Geckos are very good at hiding problems until its very progressed. Let us know how it goes.